AR System Message Catalog
ARERR  Cannot delete a core field.
- AR System server
- Server messages and notifications
You specified one of the core fields in a delete operation. Core fields cannot be deleted. If you do not want to use the core field, you can ignore it by defining it as a hidden field. The obsoleted core fields (IDs 9, 10, 11, 12, 13, and 14) can be deleted from your form.