Perguntas WF3_USU - WORKFLOW

Alguem tem ideia da onde vem esse maldito erro... sei que nao aceita nulo, algum cadastro que ficou de ser feito ?

THREAD ERROR (totvs3, SRV_TOTVS) 10/04/2013 10:28:38
WF3010: DB error (Insert): -27 File: WF3010 - Error : 515 (23000) - [Microsoft][ODBC SQL Server Driver][SQL Server]Cannot insert the value NULL into column 'WF3_USU', table 'P11_OFICIAL.dbo.WF3010'; column does not allow nulls. INSERT fails.( SQL Statement : INSERT INTO dbo.WF3010(WF3_FILIAL,WF3_ID,WF3_PROC,WF3_STATUS,WF3_HORA,WF3_DATA,WF3_DESC,R_E_C_N_O_) VALUES ( '10','00000001.00 ','WFPED ','000001','10:28:38','20130410','[ EV_NEWPROC ] Processo iniciado ',1) ) ( From tISAMFile::Write )
Thread ID [1740] User [Administrador] IO [2572] Tables [73] MaxTables [73] Comment [MATA410 - TCPIP] Status [] SP [ ] Traced [No] InTran [No] DBEnv [MSSQL/P11_OFICIAL] DBThread [(SPID: 159) ] Started [10/04/2013 06:28:36] LastIO [] IP [172.16.10.1] RCV [354974] SND [2169926] TCBuild [20110919]
on MSUNLOCK(APLIB060.PRW) 09/11/2011 19:10:13 line : 635