Forum OpenACS Development: Problems when I created folders in Oracle

Hi dave! the same problem I have when I create folders, the problem is the next:

Error: SQL(): ora9.c:3602:ora_tcl_command: error in `OCIStmtExecute ()': ORA-01400: cannot insert NULL into ("GESDEV"."ACS_OBJECTS"."CREATION_DATE")
ORA-06512: at "GESDEV.ACS_OBJECT", line 68
ORA-06512: at "GESDEV.CONTENT_ITEM", line 154
ORA-06512: at line 4