KDFS031A CVAFSEQ ERROR READING VTOC: RC= [return_code], CVSTAT=[xx]

Explanation
 			 				A volume table of contents cannot be read using the 				CVAFSEQ macro. The volume for which the VTOC failure 				occurred is identified in a separate message displayed 				on the system console. 			 		
System action
 			 				Some data set names cannot be resolved for the volume's 				I/O activity. 			 		
User response
 			 				Consult the 				IBM MVS/DFP System Programming Reference  				manual for an explanation of the return code and CVSTAT 				fields returned by CVAFSEQ. If problems persist, contact 				IBM Software Support. The destination is the MVS™ system 				console. 			 		