SAP Message /DSD/ME_CPT121 - Parameter KEY is not handheld-conform

Diagnosis
One or several parameters are not handheld-conform. The followingrestrictions apply to these parameters:
KEY - maximum length is 4 characters
KEYVALUE - maximum length is 25 characters
SOURCE - maximum length is 15 characters

Procedure
Transfer the changed value or, if necessary, adapt it further. If theseparameters are not needed in the handheld, remove the flag "internal";the parameters are then no longer subject to the restrictions for thehandheld