The run-time system has detected a symbol (for example, data item, entry point or module name) which is already defined. 
            
            OO programs can also cause this error for either of the following reasons: 
            
            
               
               -  You have defined the same method-name twice in a single object 
-  You have defined the same class name with different filenames in different programs, in the Class-Control paragraph. Filename
                  matching is case-sensitive; class filenames should always be coded in lower-case. 
               
               
               Resolution: 
               
               You can recode your application to remove the naming duplication.