Question on SQL and date fields

I have an embedded SQL Subfile program that it sending a SQLCOD of -181. This 
is the value in date, time or timestamp field not valid error. It loads the 1st 
page but then sends a no records found on subsequent pages. Depending where I 
put in a check to look for -181 it just keeps reprocessing the last record it 
read or only just doesn't go past the first page.
   
  c/Exec Sql                                                            
c+                  FETCH RELATIVE :w@ReadBkwd FROM T1 INTO :@@CmDfsp 
c/End-Exec                                                            
 * If FETCH RELATIVE goes beyond BOF, reset SQLCOD to Zero            
c                   If        SQLCOD = 100                            
c                             Or SQLCOD = -181                        
c                   Eval      SQLCOD = *Zeros                         
c                   EndIf                                             
  Here is only lists the 1st page.
   
  c                   Do        w@ReadFrwd                    
c/Exec Sql                                                  
c+                  FETCH T1 INTO :@@CmDfsp                 
c/End-Exec                                                  
c                   If        SQLCOD = *Zeros               
c                             Or SQLCOD = -181              
c                   ExSr      $MoveWrtS1                    
c                   ElseIf    SQLCOD = 100                  
c                   Eval      In34SflEnd = *On              
c                   Leave                                   
c                   EndIf                                   
c                   EndDo                                   
  Here just keeps repeating the same last record over and over.
  Any help would be greatly appreciated.
  Thanks,
  Lynda  

                
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