An incorrect argument has been specified when setting a Compiler directive.
Check the required syntax for the particular directive, as specified in
Compiler Directives - Alphabetical List.
Example
When using the REMOVE directive to remove more than one reserved word, each word must be enclosed in separate parenthesis
or quotation marks; otherwise the error will occur.
$set REMOVE(NATIVE NEXT) *> this is incorrect
$set REMOVE(NATIVE) (NEXT) *> this is correct
$set REMOVE"NATIVE" "NEXT" *> this is correct