Magento – Magento 2.3 fresh installation issue : tinymce.js not load magento2.3magento2.3.0 Loading failed for the with source “/pub/static/adminhtml/Magento/backend/en_GB/tinymce.js”. Best Answer search for text 'tinymce' in your web magento directory 2.3 not use tinymce anymore so somewhere in your web still use tinymce so you get this problem because magento can't find define tinymce I think new version using 'tinymce4' or 'tinymceDeprecated' the right way in magento 2.3.1 for use tinymce define(['wysiwygAdapter'], function(wysiwyg){ // Your code here }); Related SolutionsMagento – Magento 2.3 composer install issue I suggest you to remove the vendor folder and try: composer install --prefer-dist if it doesn't work try again with: composer install --prefer-source Here's a link if you want to read more about this commands: https://stackoverflow.com/questions/26079571/installing-laravel-prefer-dist Magento – Magento 2.3 product image issue re-deploy static-content or if that doesn't work try deploying the sample data (again) Related TopicMagento – Issue with Magento 2.3.0 Installation
Best Answer
search for text 'tinymce' in your web magento directory
2.3 not use tinymce anymore so somewhere in your web still use tinymce so you get this problem because magento can't find define tinymce
I think new version using 'tinymce4' or 'tinymceDeprecated'
the right way in magento 2.3.1 for use tinymce