IBM TN5250 This field requires numeric characters, Only characters 0-9 allowed, Check digit error

	Error Messages		A-5
Table A-4 Status Line Errors, Continued
Error		Description
0009	This field requires numeric characters	You attempted to enter non-numeric characters into
		a field designated numeric. Valid characters for this
		field are:
		◆ Zero (0) through nine (9).
		◆	Blank ( ), comma (,), period (.), plus (+), and
			minus (-).
		◆	(pad) 1 key.
		The (pad) 1 key is used to duplicate these
		characters in the field.
0010	Only characters 0-9 allowed	The key pressed is not valid for a signed numeric
		field. Valid entries are:
		◆ Zero (0) through nine (9).
		◆ (pad) 1 key sequence.
0011	Invalid key for sign position of field	You tried to enter data into the last position of a
		signed numeric field.
0012	Insert mode, no room to insert data	There is no room to insert data into this field.
		Either there is no more space in the field, or the
		cursor is in the last position of the field. Do not use
		the insert mode to change data, or to enter the last
		character in this field.
0013 Insert mode-only data keys allowed		You tried to exit a field while the terminal is still in
		the insert mode.
0014	Mandatory fill field-must fill to exit	You pressed a function key that moves the cursor
		out of the fill field. A fill field must be completely
		filled or left blank.
0015	Check digit error	You entered data into a self-check field, and the
		number entered and the check digit do not
		compare.
016 FIELD- key invalid with this field		You pressed a field key when the cursor was not in
		a numeric, digit, or signed numeric field.
0017	Mandatory fill field key is used invalidly	You pressed a fill field key sequence. A mandatory
		fill field must be completely filled, unless you exit
		it from the first position of the field.
0018	Invalid key used to exit this field	You pressed a data key when the cursor is in a right
		adjust field or exit field.