LearnPress Certificates Problem [LINK]
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June 9, 2020 at 6:24 AM #567597accounts12Participant
Hello,
I’ve installed the certificates plugin to the site, configured a certificate, and have tried to view it. Upon doing so I am met with a blank page.
Additionally there are errors being sent in the console. I am using the latest version of both plugins and the latest version of WordPress.
The certificate has two layers.
fabric.js?ver=5.4.1:10071 Uncaught DOMException: Failed to execute 'toDataURL' on 'HTMLCanvasElement': Tainted canvases may not be exported. at klass.__toDataURL (https://redacted.com/wp-content/plugins/learnpress-certificates/assets/js/fabric.js?ver=5.4.1:10071:47) at klass.__toDataURLWithMultiplier (https://redacted/wp-content/plugins/learnpress-certificates/assets/js/fabric.js?ver=5.4.1:10158:21) at klass.toDataURL (https://redacted.com/wp-content/plugins/learnpress-certificates/assets/js/fabric.js?ver=5.4.1:10048:19) at createPreview (https://redacted.com/wp-content/plugins/learnpress-certificates/assets/js/certificates.js?r=1591657324.237&ver=5.4.1:118:23) at https://redacted.com/wp-content/plugins/learnpress-certificates/assets/js/certificates.js?r=1591657324.237&ver=5.4.1:153:7 at https://redacted.com/wp-content/plugins/learnpress-certificates/assets/js/fabric.js?ver=5.4.1:17554:7 at HTMLImageElement.img.onload (https://redacted.com/wp-content/plugins/learnpress-certificates/assets/js/fabric.js?ver=5.4.1:566:30) __toDataURL @ fabric.js?ver=5.4.1:10071 __toDataURLWithMultiplier @ fabric.js?ver=5.4.1:10158 toDataURL @ fabric.js?ver=5.4.1:10048 createPreview @ certificates.js?r=15…4.237&ver=5.4.1:118 (anonymous) @ certificates.js?r=15…4.237&ver=5.4.1:153 (anonymous) @ fabric.js?ver=5.4.1:17554 img.onload @ fabric.js?ver=5.4.1:566 load (async) loadImage @ fabric.js?ver=5.4.1:565 fabric.Image.fromURL @ fabric.js?ver=5.4.1:17553 (anonymous) @ certificates.js?r=15…4.237&ver=5.4.1:150 dispatch @ jquery.js?ver=1.12.4-wp:3 r.handle @ jquery.js?ver=1.12.4-wp:3 trigger @ jquery.js?ver=1.12.4-wp:3 a.event.trigger @ jquery-migrate.min.js?ver=1.4.1:2 (anonymous) @ jquery.js?ver=1.12.4-wp:3 each @ jquery.js?ver=1.12.4-wp:2 each @ jquery.js?ver=1.12.4-wp:2 trigger @ jquery.js?ver=1.12.4-wp:3 initCanvas @ certificates.js?r=15…4.237&ver=5.4.1:158 init @ certificates.js?r=15…24.237&ver=5.4.1:53 window.LP_Certificate @ certificates.js?r=15…4.237&ver=5.4.1:336 (anonymous) @ (index):56 i @ jquery.js?ver=1.12.4-wp:2 add @ jquery.js?ver=1.12.4-wp:2 n.fn.ready @ jquery.js?ver=1.12.4-wp:2 n.fn.init @ jquery.js?ver=1.12.4-wp:2 a.fn.init @ jquery-migrate.min.js?ver=1.4.1:2 n @ jquery.js?ver=1.12.4-wp:2 (anonymous) @ (index):54
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