A disallowed operation on a non-modifiable stream argument was encountered.
#2053 Compile-time error
A disallowed operation on a non-modifiable stream argument was encountered.
Additional Information
The 'X' action cannot be applied to stream 'Y'.
The STREAM 'X' cannot be used for output.
The STREAM 'X' cannot be passed as a VALUE STRING SINK argument.
Explanation
VALUE, READ-ONLY, and REMAINDER function arguments may not be modified
in any way.