"Flex Library Not Loaded" Error In Magento


The Problem

Image upload not working in Magento backend. Whenever entering product details getting an error alert saying Flex Library Not Loaded

The Solution

This happens due to improper Magento installation. Just give full permission to the following folder


That should solve the problem. Njoy 🙂

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3 Responses to "Flex Library Not Loaded" Error In Magento

  1. Rohit says:

    i gave d full permission to lib/js… but d issue is still remain

  2. Spawn says:

    I’ve just experienced this recently on a magento shop installation, and I can’t seem to find a better resolve for this issue, I tried the advice written about but somehow it dosen’t seem to work on my end. The thing is that when I tried to replecate the site on my local development server it works perfectly, but when I tried to upload it on a production server who is using nginx as a reverse proxy for apache, this error always occur. Has anybody have the solution for this kind of issue?

  3. PHPLEAD3 says:

    This issue might occur due to flex.js not present there at js/lib. Some time somehow lib folder under js folder at root get deleted then this error take place.

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