I've found a few reports of this around the Internet of similar issues, but no resolution so far. I know it's not really that en vogue to complain about problems on Facebook that aren't broad, democracy-damaging issues. Still, I do use it to keep in loose touch with a lot friends and acquaintances, so I'd like to be able to post photos in albums! I basically haven't been able to this from my phone since May 2019. I tend to post travel photos in albums (that's my inner need for organization) so I know that the last time it worked for me was May 16, 2019 (if we're not Facebook friends, the link to that specific post obviously won't work).