A disallowed operation on a default counter was encountered.
#2006 Compile-time error
A disallowed operation on a default counter was encountered.
Additional Information
The 'X' action cannot be applied to COUNTER 'Y'.
Recovery
Compilation continues but no compiled source code file will be saved.
Explanation
The built-in counters #FIRST, #LAST, #MARKUP-ERROR-TOTAL, etc., may not
be modified.