LOOP AT t_acccr WHERE curtp = '10'.
EXIT.
ENDLOOP.
IF sy-subrc NE 0.
MESSAGE e120 RAISING parameter_error.
ENDIF.
LOOP AT t_acccr WHERE curtp = '10'.
EXIT.
ENDLOOP.
IF sy-subrc NE 0.
MESSAGE e120 RAISING parameter_error.
ENDIF.