Entries declared with the RETURNS attribute must be invoked by a function reference either used in an expression or as the
                  source of an assignment.
               	
            
            	
            	
            
               		
               			
               - Resolution:
- Invoke the function "entry-name" by assigning the reference to a variable that can hold the returned value.
               
- Module:
- INTRP2.PL1, PRCSCALL.PL1