Black Screen After Nextcloud Login – How to Fix?

Hi Everyone,
I recently updated my Nextcloud server to the latest version, but now when I log into the web interface, all I see is a black screen. The login page loads fine, but after entering my credentials, the dashboard goes completely blank.

I have tried:

Clearing browser cache and cookies.
Using a different browser and incognito mode.
Disabling third-party apps and themes in Nextcloud.
Checking Nextcloud logs for errors.

Could this be caused by a JavaScript issue, database problem, or file permission settings? Has anyone else experienced this? Any help would be greatly appreciated!

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