If a variable specified in the PROBPLOT or QQPLOT statement in PROC UNIVARIATE has a label longer than 40 characters, the procedure terminates and one of the following messages occurs in the log:
ERROR: Read Access Violation In Task [ UNIVARIATE )
Segmentation Violation In Task [ UNIVARIA ]
To circumvent this problem, specify a shorter label or remove the label with a null LABEL statement in PROC UNIVARIATE.