Perguntas variable does not exist CQUERY2 on RUNREPORT

Este relatório estava funcionando até ontem, mas depois começou a dar este erro. sei que esta na linha 318,
mas por que a query esta errada??

THREAD ERROR (adm, FATURAMENTO-02) 09/04/2014 09:26:33
variable does not exist CQUERY2 on RUNREPORT(RMFAT11.PRW) 03/04/2014 13:54:40 line : 318

[TOTVS build: 7.00.120420A-20120726]
Called from {|| RUNREPORT(CABEC1,CABEC2,TITULO,NLIN) }(RMFAT11.PRW) 03/04/2014 13:54:40 line : 99
Called from eval line : 1939

Abaixo a linha 318
318 cQuery2 := ChangeQuery(cQuery2)
319 TCQUERY cQuery2 NEW ALIAS "TR2"
320 _cSg := if(empty(MV_PAR19)," ",alltrim(MV_PAR19))

321 IF MV_PAR01 == 1
322 dbselectarea("TRB")
323 dbGoTop()
324 While !EOF()
325 // if !(SUBSTR(TRB->A1_RMSEG,1,1)$_cSg).AND.!(SUBSTR(TRB->A1_RMSEG,2,1)$_cSg).AND.!(SUBSTR(TRB->A1_RMSEG,3,1)$_cSg).AND.!(SUBSTR(TRB->A1_RMSEG,4,1)$_cSg)
if !Empty(MV_Par19)
if !(AllTrim(TRB->A1_RMSEG) == _cSg)
dbselectarea("TRB")
dbskip()
loop
endif
endif

ai vai a fonte!! desde já agradeço!!!!!

agora deu este seguinte erro:

Alias does not exist: TRB
on RUNREPORT(RMFAT11.PRW) 09/04/2014 13:26:15 line : 480

[TOTVS build: 7.00.120420A-20120726]
Called from {|| RUNREPORT(CABEC1,CABEC2,TITULO,NLIN) }(RMFAT11.PRW) 09/04/2014 13:26:15 line : 99
Called from eval line : 1939
Called from { || EVAL( BACTION, @LSTOP ),LSTOP := .T. , ODLG:END() }(APLIB080.PRW) 28/03/2013 11:35:06 line : 1939
Called from ::MSDIALOG:ACTIVATE
Called from RPTSTATUS(APLIB080.PRW) 28/03/2013 11:35:06 line : 1947
Called from U_RMFAT11(RMFAT11.PRW) 09/04/2014 13:26:15 line : 99
Called from SIGAIXB(APLIB190.PRW) 18/03/2013 17:32:40 line : 228