I've tried png and jpg neither worked. I'm thinking the console error is suggesting that it may be a webserver issue it seems to be suggesting its a some sort of policy error (I will check my webserver setup).
Further to this it looks like its a not an issue for all users.
Could there have been some permission changes somewhere?
[Updated]
It worked from someones phone then after trying from a PC the upload failed from a phone again. Weird behaviour and I'm not sure where to look,
[Adding more]...
I've just upgraded to the latest forum software from v1 and most things are working but I can't upload files in posts.
When I try the image just shows 0% upload. I assume there are some permissions that are not right somewhere but the data directories are writable.
I'm currently not sure about moving to Xenforo 2.0 as its going to take a while to get the look and feel right, my forum is quite new and I would like to add groups. If I use this version of social groups on my existing forum 1.5.16 then when I eventually update to Xenforo 2.0 I assume all the...
I think the issue is in the IGNORE TABLE part of the SQL as the ignore was a mysql extension that was later removed
https://stackoverflow.com/questions/5456520/mysql-alter-ignore-table-add-unique-what-will-be-truncated