Problem with JS files migration from Owncloud

[tflidd]

Similar error but without solution:

Problem after migration from owncloud 9

Hi all. I migrate my onwcloud 9 to nextcloud 9 (or 10 can’t remember now) then update to nextcloud 11 then 12 few days ago. And suddenly, today, My nextcloud is messed up, There is no css I can’t view my files due to that error in console I guess : previewplugin.js:122 Uncaught ReferenceError: OCA is not defined and previewplugin.js:122 Uncaught ReferenceError: OC is not defined I have these errors in lot of js files. I checked my files, I stilll have my data folders ans all the data insid…