ERROR: An exception has been encountered.
Please contact technical support and provide them with the following traceback information:
The SAS task name is [DATASTEP]
ERROR: Read Access Violation DATASTEP
Exception occurred at (07CA4314)
Task Traceback
Address Frame (DBGHELP API Version 4.0 rev 5)
0000000007CA4314 000000002902E620 sassqx:tkvercn1+0x32D4
0000000007CA39F8 000000002902E6E0 sassqx:tkvercn1+0x29B8
0000000007CA25B6 000000002902E860 sassqx:tkvercn1+0x1576
0000000007CA138D 000000002902E8B0 sassqx:tkvercn1+0x34D
0000000008DFAF05 000000002902E8B8 sasesql:tkvercn1+0x9EC5
0000000007CDAAAC 000000002902E980 sassqx:tkvercn1+0x39A6C
0000000008DF30E1 000000002902EA60 sasesql:tkvercn1+0x20A1
00000000081F5E7D 000000002902EA68 sasyoio:tkvercn1+0x4E3D
000000000A4CE0FA 000000002902F078 sasdsx:tkvercn1+0xD0BA

proc sql;
   create view class as
      select * from sashelp.class;
quit;

data test;
   set class;
     where name!!sex = "AlfredM";
run;

proc sql;
   select * from class
      where name!!sex = "AlfredM";
quit;