DSNT802I ONLY ACTION D (DISPLAY) IS ALLOWED FOR DEPARTMENT STRUCTURE.

Explanation
 You cannot add, update, or erase a department
structure. You can only display it.
 This message is issued
by the following panel: DSN8SSH

System action
 The panel is redisplayed, and the cursor is placed
on the field in error.

User response
 Change the ACTION field to D, or change the OBJECT
field to DE or EM.