1500E

FILENAME filename IS NOT VALID.

Reason:

You entered a command with the specified file name, which is not a valid file name. CMS file names are 1- to 8-character strings comprising alphabetic and numeric characters, and the characters $, #, @, -, +, and _. The command ends with return code 1500.

Action:

Enter the command again, this time specifying a valid file name.