UBB.Developers Forums UBB.threads 7 Development How Do I? problem after registering first 5 members

hello,

i've installed ubb and asked some guys to register after the 5 guy the sixth one got this problem, noone can register anymore coz of this all files permissions are ok,

Here is the backtrace:
Backtrace: ubb_lib_filehandle.cgi:294 -> sub UBB::FileHandle::tracer
Backtrace: ubb_lib_filehandle.cgi:370 -> sub UBB::FileHandle::_open
Backtrace: ubb_lib_filehandle.cgi:63 -> sub UBB::FileHandle::_open_member
Backtrace: ubb_lib_filehandler.cgi:116 -> sub UBB::FileHandle::new
Backtrace: ubb_lib_files.cgi:702 -> sub UBB::FileHandler: pen
Backtrace: ubb_registration.cgi:525 -> sub main::WriteMemberProfile
Backtrace: ultimatebb.cgi:523 -> sub main::submit_registration

what can that be ? i dont think disk is full coz i uploaded a 2 mb file after this.

Regards
fabio

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