UBB.threads PHP Forum Software Community Forums UBB.threads 7 Version 7 Support 7.5.7: Posts Disappering

Check your Mysql Version and php versions.

See this post
https://www.ubbcentral.com/forums/ubbthreads.php?ubb=showflat&Number=254141

and check the bugs forum for more info on post issues as i'm sure its to do with the compatibility issues with Mysql & php.