Diagnosis
Number range interval 01 in Number range NASTSORTNR has not beenassigned an internal number.

System Response
The required number cannot be taken from this number range.

Procedure
Check Number range NASTSORTNR to see if Interval 01 has been set forinternal number assignment. If not, switch the appropriate setting from'external' to 'internal'.
IF &DEVICE&='SCREEN'
Proceed
ENDIF