One of my posters is having trouble with her inbox reporting it is 100% full even though she has since deleted many PMs and made sure to empty the trash. Why is her inbox stuck at 100% full? I've checked so her trash can is empty and also deleted tons of PMs from myBB Engine for her. Nothing helps.
if everything looks fine, then it might be cache related
tell her to clear the cache and check again
Try to empty the trash can as well.
Not sure cache (either browser or db) is involved, based on quick look at results of 'grep -r "pmquota" ' and 'grep -r "pmscount" '. Looks like a straightforward query derives results. I did not look at codebase further than this.
Does the field users / totalpms match actual count of pms for that user?
SELECT count(pmid) as totalpms FROM `mybb_privatemessages` WHERE uid=1384;
and
SELECT totalpms FROM `mybb_users` WHERE uid=1384;
Is that count over the limit for the member's usergroup?
And is the member in multiple usergroups with different limits?
SELECT gid, title, pmquota FROM `mybb_usergroups` WHERE 1;