While using the %ADDR built in function I receive an errorRFN0341:

While using the %ADDR built in function I receive an error RFN0341:

Message . . . . :   The parameter for %ADDR is not valid; %ADDR is ignored.

Cause . . . . . :   The parameter for built-in function %ADDR must be a field
name. If the field name is an indexed array, an array index may also be
specified.

Recovery  . . . :   Correct the parameter for built-in function %ADDR. Compile
again.

I get this if the field is defined within a procedure interface.  The manual
says %ADDR can receive any data type.  Are ?'s defined within a parameter
interface not fields?  I am just trying to receive a null terminated string. 
Maybe there is a better way?

Thanks, David Morris.

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