The following database-error occurred in function DFClose, class CSiopExtension, module siop :
Not enough space on disk.
where the last query was :
3 INSERT INTO df_log(extension, begintime, functionname, data, endtime, state) VALUES('CSiop', #10/23/2017 02:19:53#, 'Registration (start)', '54.166.199.178', #10/23/2017 02:19:53#, 'CLOSE' )