Set Accepted/Refused button in proposal is disable even I log as administrator or any user with permission .
In setup → Security : Use the advanced permissions of some modules is ON .
Version 20.0.0 or earlier version.
Installed on Linux Debian 11 , Cloud installation , PHP 8.2.3 or even PHP 7.4
Yes, this thing of the “advanced permissions” is very tricky thing which i’ve never used but i’ve read a lot of cases where it was “problem” to do certain things, as in your case.
I someone know a wiki page with info about this, it would be great.