KS3T422E NULL RESULT FROM REXX EXEC '[ p0]'.

Explanation
 			 				A null result was returned by the specified REXX exec. 				The exec should provide a numeric result. 			 		
System action
 			None. 		
User response
 			 				This error could have been caused by an error in the 				stated REXX exec. Unless you have changed the exec, 				contact IBM® Software Support providing this message with 				the REXX exec name. If this problem has not been 				reported previously, you must determine why the REXX 				exec did not return a result. You might have to place 				additional problem determination aids in the REXX exec. 				Review the appropriate destination: OMEGAMON® II for SMS
The Tivoli® Enterprise Monitoring Server address space log, RKLVLOG.
All other products
The data collection (Tivoli Enterprise 							Monitoring Server) address space SYSTSPRT 							output file. 