sas在做实验设计时老是会自动关,请大家指点，下面是错误信息，请大家分析原因


ERROR: The first parameter to CALL NOTIFY, "ulistbox", is not the name of a widget in the FRAME.
Arguments passed to NOTIFY:
1 (Character Literal) = 'ulistbox'
2 (Character Literal) = '_DELETE_ALL_'
Parameters passed to NOTIFY ENTRY:
Program returning prematurely at line 743
AF Program: SASHELP.XADX.OPTMAIN.FRAME
ERROR: Integer divide by zero.
WARNING: Closing data set WORK._TMP1 left open by program
WARNING: Closing data set WORK._TMP2 left open by program
ERROR: Termination due to Floating Point Exception