SAP Message 54121 - A valid dynpro number has not been specified

Diagnosis
By specifying the screen number for an absence/attendance type, youdetermine which screen should be used for entering, displaying andmaintaining records for this absence/attendance type. The followingscreens are currently available:
Absences:
- 2000 Absences (general)
- 2001 Quota deduction
- 2002 Incapacity to work
- 2003 Maternity protection
- 2004 Military service
- 2005 Incapacity to work (Netherlands)
Attendances:
- 2050 Quota deduction
- 2051 No quota deduction

System Response
The input has been terminated because data inconsistencies can occurwhen using a flat screen.

Procedure
Please enter a screen number corresponding to the type (absence orattendance type) in the time record.