I don't have admin privileges after upgrade. Here is the output from wiki/doku.php?do=check. Can you interpret this and tell me how to fix it?
DokuWiki version: Release 2020-07-29 "Hogfather"
PHP version 5.6.40
More than 32MB RAM (128 MB) available.
Changelog is writable
conf directory is writable
mb_string extension is available and will be used
Your locale C seems not to be a UTF-8 locale, you should fix this if you encounter problems.
Debugging support is disabled
You are currently logged in as ...
You are part of the groups admin, user
Your current permission for this page is 255
The current page is writable by the webserver
The current page is writable by you
The search index seems to be working
Server time seems to be okay. Diff: 2s
Grant