TAU0105E  hh:mm:ss.ttt Enqueue of internal reader failed.
            
               	
               		
               - Explanation:
 
               		
               - z/Server serializes the internal reader using the ENQ ZSERVER/INTRDR. When that ENQ cannot be obtained, some problem in the
                  past prevented the ENQ from being released.
               
 
               	
               	
               		
               - System administrator response:
 
               		
               - Determine why the internal reader could not be enqueued. If necessary, contact SupportLine. Restart the scheduler or user server.