Suppose you have routine ^A loaded in your partition in programmer mode and you call routine ^B. Routine ^B finds the value of $ZU(96,9) which should be the calling routine.
But $ZU(96,9) now returns null, as does $SYSTEM.Process.CallingRoutine()
Works on 2018.1.7 but not 2018.1.8
$ROLES= %All on both systems
More precisely I have line label ZZPP in ^%ZLANGC00 which needs to identify the original routine in the partition and do some work on it. When I type ZZPP I get nothing on the later version. Here's the line of code: