File Upload always throws error

Topic: File Upload always throws error

MarcusDev free asked 4 years ago

Expected behavior Drag and drop to render as it does on mdbootstrap.com examples

Actual behavior Always throws the error "Oops, something wrong has happened.". Isolated packages from our main project and wrote a small HTML file using MDB starter template to debug the issue, but the issue still occurs.

Resources (screenshots, code snippets etc.)

Error recieved

HTML Markup:

Material Design Bootstrap

<div class="flex-center flex-column">
  <h1 class="animated fadeIn mb-2">Material Design for Bootstrap</h1>

  <h5 class="animated fadeIn mb-1">Thank you for using our product. We're glad you're with us.</h5>

  <p class="animated fadeIn text-muted">MDB Team</p>
</div>

$('.file-upload').file_upload();

Piotr Glejzer staff commented 4 years ago

Do you have some error in the console?

MarcusDev free commented 4 years ago

Nope, no errors in the console.

Add comment

MarcusDev free answered 4 years ago

0 0 Best answer

I was able to resolve this issue by examining the MDBootstrap source code. For anyone else who runs into this issue, there is mandatory CSS that is not included in the purchasable Super Bundle.

Here is the needed CSS to render the file upload correctly:

.file-upload {
 display: -webkit-box;
 display: -webkit-flex;
 display: -ms-flexbox;
 display: flex;
 -webkit-box-pack: center;
 -webkit-justify-content: center;
 -ms-flex-pack: center;
 justify-content: center;
 -webkit-box-align: center;
 -webkit-align-items: center;
 -ms-flex-align: center;
 align-items: center;
 position: relative;
 cursor: pointer;
 overflow: hidden;
 width: 100%;
 max-width: 100%;
 height: 200px;
 padding: 5px 10px;
 font-size: 1rem;
 text-align: center;
 color: #ccc
 }

.file-upload-wrapper .card.card-body.has-error .file-upload-message .file-upload-error,
 .file-upload-wrapper .card.card-body.has-preview .btn.btn-sm.btn-danger {
 display: block
 }

.file-upload i {
 font-size: 3rem
 }

.file-upload .mask.rgba-stylish-slight {
 opacity: 0;
 -webkit-transition: all .15s linear;
 -o-transition: all .15s linear;
 transition: all .15s linear
 }

.file-upload:hover .mask.rgba-stylish-slight {
 opacity: .8
 }

.file-upload-wrapper .card.card-body.has-error {
 border-color: #f34141
 }

.file-upload-wrapper .card.card-body.has-error:hover .file-upload-errors-container {
 visibility: visible;
 opacity: 1;
 -webkit-transition-delay: 0s;
 -o-transition-delay: 0s;
 transition-delay: 0s
 }

.file-upload-wrapper .card.card-body.disabled input {
 cursor: not-allowed
 }

.file-upload-wrapper .card.card-body.disabled:hover {
 background-image: none;
 -webkit-animation: none;
 animation: none
 }

.file-upload-wrapper .card.card-body.disabled .file-upload-message {
 opacity: .5;
 text-decoration: line-through
 }

.file-upload-wrapper .card.card-body.disabled .file-upload-infos-message {
 display: none
 }

.file-upload-wrapper .card.card-body input {
 position: absolute;
 top: 0;
 right: 0;
 bottom: 0;
 left: 0;
 height: 100%;
 width: 100%;
 opacity: 0;
 cursor: pointer;
 z-index: 5
 }

.file-upload-wrapper .card.card-body .file-upload-message {
 position: relative;
 top: 50px;
 -webkit-transform: translateY(-50%);
 -ms-transform: translateY(-50%);
 transform: translateY(-50%)
 }

.file-upload-wrapper .card.card-body .file-upload-message span.file-icon {
 font-size: 50px;
 color: #ccc
 }

.file-upload-wrapper .card.card-body .file-upload-message p {
 margin: 5px 0 0
 }

.file-upload-wrapper .card.card-body .file-upload-message p.file-upload-error {
 color: #f34141;
 font-weight: 700;
 display: none
 }

.file-upload-wrapper .card.card-body .btn.btn-sm.btn-danger {
 display: none;
 position: absolute;
 opacity: 0;
 z-index: 7;
 top: 10px;
 right: 10px;
 -webkit-transition: all .15s linear;
 -o-transition: all .15s linear;
 transition: all .15s linear
 }

.file-upload-wrapper .card.card-body .file-upload-preview {
 display: none;
 position: absolute;
 z-index: 1;
 background-color: #fff;
 padding: 5px;
 width: 100%;
 height: 100%;
 top: 0;
 right: 0;
 bottom: 0;
 left: 0;
 overflow: hidden;
 text-align: center
 }

.file-upload-wrapper .card.card-body .file-upload-preview .file-upload-render .file-upload-preview-img {
 width: 100%;
 height: 100%;
 background-color: #fff;
 -webkit-transition: border-color .15s linear;
 -o-transition: border-color .15s linear;
 transition: border-color .15s linear;
 -o-object-fit: cover;
 object-fit: cover
 }

.file-upload-wrapper .card.card-body .file-upload-preview .file-upload-render i {
 font-size: 80px;
 top: 50%;
 left: 50%;
 -webkit-transform: translate(-50%, -50%);
 -ms-transform: translate(-50%, -50%);
 transform: translate(-50%, -50%);
 position: absolute;
 color: #777
 }

.file-upload-wrapper .card.card-body .file-upload-preview .file-upload-render .file-upload-extension {
 position: absolute;
 top: 50%;
 left: 50%;
 -webkit-transform: translate(-50%, -50%);
 -ms-transform: translate(-50%, -50%);
 transform: translate(-50%, -50%);
 margin-top: 10px;
 text-transform: uppercase;
 font-weight: 900;
 letter-spacing: -.03em;
 font-size: 1rem;
 color: #fff;
 width: 42px;
 white-space: nowrap;
 overflow: hidden;
 -o-text-overflow: ellipsis;
 text-overflow: ellipsis
 }

.file-upload-wrapper .card.card-body .file-upload-preview .file-upload-infos {
 position: absolute;
 left: 0;
 top: 0;
 right: 0;
 bottom: 0;
 z-index: 3;
 background: rgba(0, 0, 0, .7);
 opacity: 0;
 -webkit-transition: opacity .15s linear;
 -o-transition: opacity .15s linear;
 transition: opacity .15s linear
 }

.file-upload-wrapper .card.card-body .file-upload-preview .file-upload-infos .file-upload-infos-inner {
 position: absolute;
 top: 50%;
 -webkit-transform: translate(0, -40%);
 -ms-transform: translate(0, -40%);
 transform: translate(0, -40%);
 -webkit-backface-visibility: hidden;
 backface-visibility: hidden;
 width: 100%;
 padding: 0 20px;
 -webkit-transition: all .2s ease;
 -o-transition: all .2s ease;
 transition: all .2s ease
 }

.file-upload-wrapper .card.card-body .file-upload-preview .file-upload-infos .file-upload-infos-inner p {
 padding: 0;
 margin: 0;
 position: relative;
 width: 100%;
 white-space: nowrap;
 overflow: hidden;
 -o-text-overflow: ellipsis;
 text-overflow: ellipsis;
 color: #fff;
 text-align: center;
 line-height: 25px;
 font-weight: 700
 }

.file-upload-wrapper .card.card-body .file-upload-preview .file-upload-infos .file-upload-infos-inner p.file-upload-infos-message {
 margin-top: 15px;
 padding-top: 15px;
 font-size: 12px;
 position: relative;
 opacity: .5
 }

.file-upload-wrapper .card.card-body .file-upload-preview .file-upload-infos .file-upload-infos-inner p.file-upload-infos-message::before {
 content: "";
 position: absolute;
 top: 0;
 left: 50%;
 -webkit-transform: translate(-50%, 0);
 -ms-transform: translate(-50%, 0);
 transform: translate(-50%, 0);
 background: #fff;
 width: 30px;
 height: 2px
 }

.file-upload-wrapper .card.card-body:hover .btn.btn-sm.btn-danger,
 .file-upload-wrapper .card.card-body:hover .file-upload-preview .file-upload-infos {
 opacity: 1
 }

.file-upload-wrapper .card.card-body:hover .file-upload-preview .file-upload-infos .file-upload-infos-inner {
 margin-top: -5px
 }

.file-upload-wrapper .card.card-body.touch-fallback {
 height: auto !important
 }

.file-upload-wrapper .card.card-body.touch-fallback:hover {
 background-image: none;
 -webkit-animation: none;
 animation: none
 }

.file-upload-wrapper .card.card-body.touch-fallback .file-upload-preview {
 position: relative;
 padding: 0
 }

.file-upload-wrapper .card.card-body.touch-fallback .file-upload-preview .file-upload-render {
 display: block;
 position: relative
 }

.file-upload-wrapper .card.card-body.touch-fallback .file-upload-preview .file-upload-infos .file-upload-infos-inner p.file-upload-infos-message::before,
 .file-upload-wrapper .card.card-body.touch-fallback.has-preview .file-upload-message {
 display: none
 }

.file-upload-wrapper .card.card-body.touch-fallback .file-upload-preview .file-upload-render .file-upload-font-file {
 position: relative;
 -webkit-transform: translate(0, 0);
 -ms-transform: translate(0, 0);
 transform: translate(0, 0);
 top: 0;
 left: 0
 }

.file-upload-wrapper .card.card-body.touch-fallback .file-upload-preview .file-upload-render .file-upload-font-file::before {
 margin-top: 30px;
 margin-bottom: 30px
 }

.file-upload-wrapper .card.card-body.touch-fallback .file-upload-preview .file-upload-render img {
 position: relative;
 -webkit-transform: translate(0, 0);
 -ms-transform: translate(0, 0);
 transform: translate(0, 0)
 }

.file-upload-wrapper .card.card-body.touch-fallback .file-upload-preview .file-upload-infos {
 position: relative;
 opacity: 1;
 background: 0 0
 }

.file-upload-wrapper .card.card-body.touch-fallback .file-upload-preview .file-upload-infos .file-upload-infos-inner {
 position: relative;
 top: 0;
 -webkit-transform: translate(0, 0);
 -ms-transform: translate(0, 0);
 transform: translate(0, 0);
 padding: 5px 90px 5px 0
 }

.file-upload-wrapper .card.card-body.touch-fallback .file-upload-preview .file-upload-infos .file-upload-infos-inner p {
 padding: 0;
 margin: 0;
 position: relative;
 width: 100%;
 white-space: nowrap;
 overflow: hidden;
 -o-text-overflow: ellipsis;
 text-overflow: ellipsis;
 color: #777;
 text-align: left;
 line-height: 25px
 }

.file-upload-wrapper .card.card-body.touch-fallback .file-upload-preview .file-upload-infos .file-upload-infos-inner p.file-upload-infos-message {
 margin-top: 0;
 padding-top: 0;
 font-size: 18px;
 position: relative;
 opacity: 1
 }

.file-upload-wrapper .card.card-body.touch-fallback .file-upload-message {
 -webkit-transform: translate(0, 0);
 -ms-transform: translate(0, 0);
 transform: translate(0, 0);
 padding: 40px 0
 }

.file-upload-wrapper .card.card-body.touch-fallback .btn.btn-sm.btn-danger {
 top: auto;
 bottom: 23px;
 opacity: 1
 }

.file-upload-wrapper .card.card-body.touch-fallback:hover .file-upload-preview .file-upload-infos .file-upload-infos-inner {
 margin-top: 5rem
 }

.file-upload-wrapper .card.card-body .file-upload-loader {
 position: absolute;
 top: 15px;
 right: 15px;
 display: none;
 z-index: 9
 }

.file-upload-wrapper .card.card-body .file-upload-loader::after {
 display: block;
 position: relative;
 width: 20px;
 height: 20px;
 -webkit-animation: rotate .6s linear infinite;
 animation: rotate .6s linear infinite;
 -webkit-border-radius: 100%;
 border-radius: 100%;
 border-top: 1px solid #ccc;
 border-bottom: 1px solid #777;
 border-left: 1px solid #ccc;
 border-right: 1px solid #777;
 content: ""
 }

.file-upload-wrapper .card.card-body .file-upload-errors-container {
 position: absolute;
 left: 0;
 top: 0;
 right: 0;
 bottom: 0;
 z-index: 3;
 background: rgba(243, 65, 65, .8);
 text-align: left;
 visibility: hidden;
 opacity: 0;
 -webkit-transition: visibility 0s linear .15s, opacity .15s linear;
 -o-transition: visibility 0s linear .15s, opacity .15s linear;
 transition: visibility 0s linear .15s, opacity .15s linear
 }

.file-upload-wrapper .card.card-body .file-upload-errors-container ul {
 padding: 10px 20px;
 margin: 0;
 position: absolute;
 left: 0;
 top: 50%;
 -webkit-transform: translateY(-50%);
 -ms-transform: translateY(-50%);
 transform: translateY(-50%)
 }

.file-upload-wrapper .card.card-body .file-upload-errors-container ul li {
 margin-left: 20px;
 color: #fff;
 font-weight: 700
 }

.file-upload-wrapper .card.card-body .file-upload-errors-container.visible {
 visibility: visible;
 opacity: 1;
 -webkit-transition-delay: 0s;
 -o-transition-delay: 0s;
 transition-delay: 0s
 }

.file-upload-wrapper .card.card-body~.file-upload-errors-container ul {
 padding: 0;
 margin: 15px 0
 }

.file-upload-wrapper .card.card-body~.file-upload-errors-container ul li {
 margin-left: 20px;
 color: #f34141;
 font-weight: 700
 }

Please insert min. 20 characters.

I was able to resolve this issue by examining the MDBootstrap source code. For anyone else who runs into this issue, there is mandatory CSS that is not included in the purchasable Super Bundle.

Here is the needed CSS to render the file upload correctly:

.file-upload { display: -webkit-box; display: -webkit-flex; display: -ms-flexbox; display: flex; -webkit-box-pack: center; -webkit-justify-content: center; -ms-flex-pack: center; justify-content: center; -webkit-box-align: center; -webkit-align-items: center; -ms-flex-align: center; align-items: center; position: relative; cursor: pointer; overflow: hidden; width: 100%; max-width: 100%; height: 200px; padding: 5px 10px; font-size: 1rem; text-align: center; color: #ccc }

.file-upload-wrapper .card.card-body.has-error .file-upload-message .file-upload-error, .file-upload-wrapper .card.card-body.has-preview .btn.btn-sm.btn-danger { display: block }

.file-upload i { font-size: 3rem }

.file-upload .mask.rgba-stylish-slight { opacity: 0; -webkit-transition: all .15s linear; -o-transition: all .15s linear; transition: all .15s linear }

.file-upload:hover .mask.rgba-stylish-slight { opacity: .8 }

.file-upload-wrapper .card.card-body.has-error { border-color: #f34141 }

.file-upload-wrapper .card.card-body.has-error:hover .file-upload-errors-container { visibility: visible; opacity: 1; -webkit-transition-delay: 0s; -o-transition-delay: 0s; transition-delay: 0s }

.file-upload-wrapper .card.card-body.disabled input { cursor: not-allowed }

.file-upload-wrapper .card.card-body.disabled:hover { background-image: none; -webkit-animation: none; animation: none }

.file-upload-wrapper .card.card-body.disabled .file-upload-message { opacity: .5; text-decoration: line-through }

.file-upload-wrapper .card.card-body.disabled .file-upload-infos-message { display: none }

.file-upload-wrapper .card.card-body input { position: absolute; top: 0; right: 0; bottom: 0; left: 0; height: 100%; width: 100%; opacity: 0; cursor: pointer; z-index: 5 }

.file-upload-wrapper .card.card-body .file-upload-message { position: relative; top: 50px; -webkit-transform: translateY(-50%); -ms-transform: translateY(-50%); transform: translateY(-50%) }

.file-upload-wrapper .card.card-body .file-upload-message span.file-icon { font-size: 50px; color: #ccc }

.file-upload-wrapper .card.card-body .file-upload-message p { margin: 5px 0 0 }

.file-upload-wrapper .card.card-body .file-upload-message p.file-upload-error { color: #f34141; font-weight: 700; display: none }

.file-upload-wrapper .card.card-body .btn.btn-sm.btn-danger { display: none; position: absolute; opacity: 0; z-index: 7; top: 10px; right: 10px; -webkit-transition: all .15s linear; -o-transition: all .15s linear; transition: all .15s linear }

.file-upload-wrapper .card.card-body .file-upload-preview { display: none; position: absolute; z-index: 1; background-color: #fff; padding: 5px; width: 100%; height: 100%; top: 0; right: 0; bottom: 0; left: 0; overflow: hidden; text-align: center }

.file-upload-wrapper .card.card-body .file-upload-preview .file-upload-render .file-upload-preview-img { width: 100%; height: 100%; background-color: #fff; -webkit-transition: border-color .15s linear; -o-transition: border-color .15s linear; transition: border-color .15s linear; -o-object-fit: cover; object-fit: cover }

.file-upload-wrapper .card.card-body .file-upload-preview .file-upload-render i { font-size: 80px; top: 50%; left: 50%; -webkit-transform: translate(-50%, -50%); -ms-transform: translate(-50%, -50%); transform: translate(-50%, -50%); position: absolute; color: #777 }

.file-upload-wrapper .card.card-body .file-upload-preview .file-upload-render .file-upload-extension { position: absolute; top: 50%; left: 50%; -webkit-transform: translate(-50%, -50%); -ms-transform: translate(-50%, -50%); transform: translate(-50%, -50%); margin-top: 10px; text-transform: uppercase; font-weight: 900; letter-spacing: -.03em; font-size: 1rem; color: #fff; width: 42px; white-space: nowrap; overflow: hidden; -o-text-overflow: ellipsis; text-overflow: ellipsis }

.file-upload-wrapper .card.card-body .file-upload-preview .file-upload-infos { position: absolute; left: 0; top: 0; right: 0; bottom: 0; z-index: 3; background: rgba(0, 0, 0, .7); opacity: 0; -webkit-transition: opacity .15s linear; -o-transition: opacity .15s linear; transition: opacity .15s linear }

.file-upload-wrapper .card.card-body .file-upload-preview .file-upload-infos .file-upload-infos-inner { position: absolute; top: 50%; -webkit-transform: translate(0, -40%); -ms-transform: translate(0, -40%); transform: translate(0, -40%); -webkit-backface-visibility: hidden; backface-visibility: hidden; width: 100%; padding: 0 20px; -webkit-transition: all .2s ease; -o-transition: all .2s ease; transition: all .2s ease }

.file-upload-wrapper .card.card-body .file-upload-preview .file-upload-infos .file-upload-infos-inner p { padding: 0; margin: 0; position: relative; width: 100%; white-space: nowrap; overflow: hidden; -o-text-overflow: ellipsis; text-overflow: ellipsis; color: #fff; text-align: center; line-height: 25px; font-weight: 700 }

.file-upload-wrapper .card.card-body .file-upload-preview .file-upload-infos .file-upload-infos-inner p.file-upload-infos-message { margin-top: 15px; padding-top: 15px; font-size: 12px; position: relative; opacity: .5 }

.file-upload-wrapper .card.card-body .file-upload-preview .file-upload-infos .file-upload-infos-inner p.file-upload-infos-message::before { content: ""; position: absolute; top: 0; left: 50%; -webkit-transform: translate(-50%, 0); -ms-transform: translate(-50%, 0); transform: translate(-50%, 0); background: #fff; width: 30px; height: 2px }

.file-upload-wrapper .card.card-body:hover .btn.btn-sm.btn-danger, .file-upload-wrapper .card.card-body:hover .file-upload-preview .file-upload-infos { opacity: 1 }

.file-upload-wrapper .card.card-body:hover .file-upload-preview .file-upload-infos .file-upload-infos-inner { margin-top: -5px }

.file-upload-wrapper .card.card-body.touch-fallback { height: auto !important }

.file-upload-wrapper .card.card-body.touch-fallback:hover { background-image: none; -webkit-animation: none; animation: none }

.file-upload-wrapper .card.card-body.touch-fallback .file-upload-preview { position: relative; padding: 0 }

.file-upload-wrapper .card.card-body.touch-fallback .file-upload-preview .file-upload-render { display: block; position: relative }

.file-upload-wrapper .card.card-body.touch-fallback .file-upload-preview .file-upload-infos .file-upload-infos-inner p.file-upload-infos-message::before, .file-upload-wrapper .card.card-body.touch-fallback.has-preview .file-upload-message { display: none }

.file-upload-wrapper .card.card-body.touch-fallback .file-upload-preview .file-upload-render .file-upload-font-file { position: relative; -webkit-transform: translate(0, 0); -ms-transform: translate(0, 0); transform: translate(0, 0); top: 0; left: 0 }

.file-upload-wrapper .card.card-body.touch-fallback .file-upload-preview .file-upload-render .file-upload-font-file::before { margin-top: 30px; margin-bottom: 30px }

.file-upload-wrapper .card.card-body.touch-fallback .file-upload-preview .file-upload-render img { position: relative; -webkit-transform: translate(0, 0); -ms-transform: translate(0, 0); transform: translate(0, 0) }

.file-upload-wrapper .card.card-body.touch-fallback .file-upload-preview .file-upload-infos { position: relative; opacity: 1; background: 0 0 }

.file-upload-wrapper .card.card-body.touch-fallback .file-upload-preview .file-upload-infos .file-upload-infos-inner { position: relative; top: 0; -webkit-transform: translate(0, 0); -ms-transform: translate(0, 0); transform: translate(0, 0); padding: 5px 90px 5px 0 }

.file-upload-wrapper .card.card-body.touch-fallback .file-upload-preview .file-upload-infos .file-upload-infos-inner p { padding: 0; margin: 0; position: relative; width: 100%; white-space: nowrap; overflow: hidden; -o-text-overflow: ellipsis; text-overflow: ellipsis; color: #777; text-align: left; line-height: 25px }

.file-upload-wrapper .card.card-body.touch-fallback .file-upload-preview .file-upload-infos .file-upload-infos-inner p.file-upload-infos-message { margin-top: 0; padding-top: 0; font-size: 18px; position: relative; opacity: 1 }

.file-upload-wrapper .card.card-body.touch-fallback .file-upload-message { -webkit-transform: translate(0, 0); -ms-transform: translate(0, 0); transform: translate(0, 0); padding: 40px 0 }

.file-upload-wrapper .card.card-body.touch-fallback .btn.btn-sm.btn-danger { top: auto; bottom: 23px; opacity: 1 }

.file-upload-wrapper .card.card-body.touch-fallback:hover .file-upload-preview .file-upload-infos .file-upload-infos-inner { margin-top: 5rem }

.file-upload-wrapper .card.card-body .file-upload-loader { position: absolute; top: 15px; right: 15px; display: none; z-index: 9 }

.file-upload-wrapper .card.card-body .file-upload-loader::after { display: block; position: relative; width: 20px; height: 20px; -webkit-animation: rotate .6s linear infinite; animation: rotate .6s linear infinite; -webkit-border-radius: 100%; border-radius: 100%; border-top: 1px solid #ccc; border-bottom: 1px solid #777; border-left: 1px solid #ccc; border-right: 1px solid #777; content: "" }

.file-upload-wrapper .card.card-body .file-upload-errors-container { position: absolute; left: 0; top: 0; right: 0; bottom: 0; z-index: 3; background: rgba(243, 65, 65, .8); text-align: left; visibility: hidden; opacity: 0; -webkit-transition: visibility 0s linear .15s, opacity .15s linear; -o-transition: visibility 0s linear .15s, opacity .15s linear; transition: visibility 0s linear .15s, opacity .15s linear }

.file-upload-wrapper .card.card-body .file-upload-errors-container ul { padding: 10px 20px; margin: 0; position: absolute; left: 0; top: 50%; -webkit-transform: translateY(-50%); -ms-transform: translateY(-50%); transform: translateY(-50%) }

.file-upload-wrapper .card.card-body .file-upload-errors-container ul li { margin-left: 20px; color: #fff; font-weight: 700 }

.file-upload-wrapper .card.card-body .file-upload-errors-container.visible { visibility: visible; opacity: 1; -webkit-transition-delay: 0s; -o-transition-delay: 0s; transition-delay: 0s }

.file-upload-wrapper .card.card-body~.file-upload-errors-container ul { padding: 0; margin: 15px 0 }

.file-upload-wrapper .card.card-body~.file-upload-errors-container ul li { margin-left: 20px; color: #f34141; font-weight: 700 }

Piotr Glejzer staff commented 4 years ago

Thanks for the message. We will check it.

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Status

Resolved

Specification of the issue

ForumUser: Free
Premium support: No
Technology: MDB jQuery
MDB Version: 4.8.10
Device: Computer
Browser: Chrome and Firefox
OS: Ubuntu
Provided sample code: No
Provided link: No

MarcusDev

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