AJT0000W
Messages were generated by your current request. You might enter a MESSAGES command to view them.

Explanation

An error occurred while processing your current request. One or more messages were issued to describe it. You can view them by entering the MESSAGES command on the ISPF command line.

Operator response

Enter MESSAGES on the command line of the current display. Read the message or messages that are listed and if necessary, take the actions indicated by the message(s).