KDFS019A CANDLE DATASET I/O [module] ATTACH OF [ task_id] FAILED, RC=[return_code]

Explanation
 			 				An attempt by module to attach the MVS™ subtask specified 				failed with the return code displayed. 			 		
System action
 			The collector terminates. 		
User response
 			 				Refer to 				 					IBM Application Development Reference: Services for 					Authorized Assembler Language Programs 				 				for an explanation of the return code. If the return 				code does not indicate an installation problem, contact 				IBM Software Support. The destination is the MVS system 				console. 			 		