KS3T335E ERROR OPENING ACTION RESPONSE CHECKPOINT DATASET, TERMINATING

Explanation
 			An error has occurred during the opening of the checkpoint data set of the action response.    		
System action
 			 				An error was encountered opening the action response 				checkpoint data set. Message KDFAP3017E should precede 				this message and provide the exact error and information 				codes for resolution. The DFDSS slave and master tasks 				terminate. 			 		
User response
 			 				Call IBM® Software Support. The destination is the MVS™ 				system console. 			 		