RNS9311 - Compiler error message??

I was just trying to compile an RPG module and this is the error message 
I got.
The module I am trying to compile has been ok until just a few minutes 
ago. 
I looked at the compiler listing and found that I had left the prototype 
for the newest procedure out of my prototype /copy member, but I have 
done that before and it didn't generate this message. 
Anybody know what gives?    


                     Additional Message Information                       
  
                                                                          
      
 Message ID . . . . . . :   RNS9311       Severity . . . . . . . :   50   
      
 Message type . . . . . :   Information                                   
      
 Date sent  . . . . . . :   07/12/00      Time sent  . . . . . . :   
09:49:32   
                                                                          
      
 Message . . . . :   Compilation stopped. Internal failure occurred. 
Error code 
   is  1.                                                                 
      
 Cause . . . . . :   The possible error codes are:                        
      
     1  - Failure occurred in the compiler front end.                     
      
     2  - Failure occurred while  exiting the command.                    
      
     3  - Failure occurred in the back end.                               
      
     4  - Failure occurred in the command.                                
      
     5  - Memory allocation error occurred in the command.                
      
     12 - Memory allocation error occurred in the front end.              
      
     13 - Read error occurred in the compiler front end.                  
      
     14 - Write error occurred in the compiler front end.                 
      
 Recovery  . . . :   Call your service representative, giving the error 
code    
 id.
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