Perguntas Erro ao confirmar alteração

Amigos, bom dia!

estou com o erro abaixo em um fonte em MVC e já procurei a internet toda e não encontro solução. O erro acontece quando clico no botão confirmar ao realizar uma alteração. Alguem poderia ajudar?
Segue erro abaixo e o fonte em anexo.

THREAD ERROR (211718, E079855) 19/12/2016 08:56:40
invalid typecast in file c:\bamboo-agent-5.7.2\xml-data\build-dir\totvstec-build131227atfs-windows32\advpl\instrvar.inl at line 817
on FWCBPOST(MPFORMMODEL.PRX) 22/06/2016 16:55:12 line : 659

[TOTVS build: 7.00.131227A-20151103]
Called from {|X| FWCBPOST(CID,BPOST,X,SELF) }(MPFORMMODEL.PRX) 22/06/2016 16:55:12 line : 128
Called from eval line : 2097
Called from MPFORMMODEL:VLDDATA(FWFORMMODEL.PRX) 26/07/2016 11:16:32 line : 2097
Called from FWFORMVIEW:BUTTONOKACTION(FWFORMVIEW.PRW) 19/05/2016 17:16:06 line : 2256
Called from {||SELF:BUTTONOKACTION( LISOWNERDLG )}(FWFORMVIEW.PRW) 19/05/2016 17:16:06 line : 2109
Called from eval line : 7760
Called from SAFEEVAL(MSLIB.PRW) 21/07/2016 16:33:10 line : 7760
Called from {|| SAFEEVAL( {||SELF:BUTTONOKACTION( LISOWNERDLG )} ) }(FWFORMVIEW.PRW) 19/05/2016 17:16:06 line : 2109
Called from eval line : 370
Called from {|| EVAL(BOK,SELF:OFWFORMVIEW) }(FWFORMBAR.PRW) 16/05/2016 11:32:00 line : 370
Called from ::MSDIALOG:ACTIVATE
Called from FWMVCWINDOW:SHOW(FWMVCWINDOW.PRW) 26/11/2015 09:25:22 line : 181
Called from FWMVCWINDOW:ACTIVATE(FWMVCWINDOW.PRW) 26/11/2015 09:25:22 line : 210
Called from FWVIEWEXEC:OPENVIEW(FWVIEWEXEC.PRW) 02/07/2015 15:07:08 line : 482
Called from FWMBROWSE:EXECUTE(FWFORMBROWSE.PRW) 31/05/2016 18:21:06 line : 1014
Called from { || OSELF:EXECUTE("VIEWDEF.CATFA004", 4, 0,"ALTERAR", 3,"","ALTERAR","", 3) } line : 578
Called from ::MSDIALOG:ACTIVATE
Called from U_CATFA004(CATFA004.PRW) 19/12/2016 08:55:51 line : 66
Called from SIGAIXB(APLIB190.PRW) 01/06/2016 17:42:34 line : 228
Called from __EXECUTE(APLIB090.PRW) 04/07/2016 11:34:20 line : 514
Called from FWPREEXECUTE(FWPREEXECUTE.PRW) 16/02/2015 00:06:32 line : 82
Called from {|| FWPREEXECUTE('CC X IMOVEL', 'CATFA004()', 3, '01', 'XXXXXXXXXX') } line : 183
Called from ::TWINDOW:ACTIVATE
Called from MSAPP:ACTIVATE(FWAPP.PRW) 19/07/2016 11:01:16 line : 635
Called from SIGAADV(APLIB000.PRW) 13/04/2016 10:50:12 line : 54