27   PROC SPDO lib=foo;
NOTE: Enter "?;" to get info on all the SPDO commands.
      Enter "SPDSMAC;" to get list and setting of all SPD macros.
28   SET ACLUSER;
NOTE: Acluser has been set to spdadm.
29   constraint add employees;
30   WHERE ("@SPDSUSR" = "BOSSMAN");
ERROR: CONSTRAINT ADD did not complete, no WHERE clause received.
31   constraint describe employees;
NOTE: Trying to DESCRIBE CONSTRAINT from dataset with no CONSTRAINT.
32   quit;

NOTE: The SAS System stopped processing this step because of errors.
NOTE: PROCEDURE SPDO used (Total process time):
      real time           0.01 seconds
      cpu time            0.00 seconds