DFSIX087 aaaaaaaa - VALUES MUST BE EITHER YES OR NO
Explanation
The variable must be either YES or NO.
In the message text, aaaaaaaa is the module that was running when this message was issued.
System action
The variable vvvvvvvv action field is set to ERR, which indicates that the variable is invalid.
Programmer response
Correct the variable to an acceptable value.
Module
DFSIXX11