KDFAP1824E SERVICE CHECKPOINT DATASET [reqtype] REQUEST ERROR RETURN CODE [rc] NOT RECOGNIZED

Explanation
 			 				An I/O request to the service checkpoint data set 				failed. This is an internal logic error. 			 		
System action
 			 				Unpredictable, as the system action is dependent upon 				the type of record being read. The service probes 				continue processing, if possible. Other messages issued 				with this message can provide further details. 			 		
User response
 			 				This message indicates that an internal error has occurred. Contact IBM® Software Support 				and provide the message. The destination is the Tivoli® 				Enterprise Monitoring Server Engine log file, RKLVLOG. 			 		