I updated my magento from 2.1 to 2.4 .

My admin panel keeps on loading since long.

Below is error i see in console.

Failed to load resource: the server responded with a status of 404 (Not Found)
require.js:166 Uncaught Error: Script error for: mageTranslationDictionary
    at makeError (require.js:166)
    at HTMLScriptElement.onScriptError (require.js:1681)

It is calling some js file : adminhtml/Magento/backend/en_US/mageTranslationDictionary.js

which gives 404 , i can not see any such js file .

Please help me with it

  • How have you upgraded from 2.1 to 2.4? I've upgraded multiple sites to m2.4, but I couldn't get this kind of issue! So, asking.
    – Wasim
    Jan 12 at 16:29

Try to deploy the static content on particular store php bin/magento setup:static-content:deploy en_US

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