Here are some common abends faced while running DB2 load unload.
Issue: The error shows input field is not matching the data or vice versa. Key word here is 'INPUT FIELD 'ACCT_3' NOT ENTIRELY WITHIN INPUT RECORD'
DSNURWI - TABLE SPACE DatabaseName.tablespace WILL REMAIN IN BASIC ROW FORMAT DUE TO
SPRMRRF=DISABLE
DSNURRST - EXISTING RECORDS DELETED FROM TABLESPACE
DSNURWBG - INPUT FIELD 'ACCT_3' NOT ENTIRELY WITHIN INPUT RECORD
DSNURWBF - (RE)LOAD PHASE STATISTICS - NUMBER OF INPUT RECORDS PROCESSED=1
GBAC - UTILITY DATA BASE SERVICES MEMORY EXECUTION ABENDED, REASON=X'00E40323'