How To Fix PPE_MESSAGE028 - Reference date routine &1 is not in the reserved number interval

PPE_MESSAGE028 - Overview

• Message type: E = Error

• Message class: PPE_MESSAGE - Messages for PPE

• Message number: 028

• Message text: Reference date routine &1 is not in the reserved number interval

What causes this issue?

A pricing and payment event can be used as a trigger date for the
commodity pricing engine (CPE) by assigning a CPE reference date
routine.
When selecting a reference date routine using the F4 input help, only
CPE reference date routine numbers from a reserved number interval for
use by pricing and payment events (PPE) will be shown.
The following CPE reference date routine numbers have been reserved for
use by pricing and payment events:
CPE reference date routine number interval
0000100 - 0000199: Number interval for SAP
0020000 - 0029999: Number interval for partner solutions
0030000 - 0099999: Number interval for customers.

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

System Response

How to fix this error?

You have entered a reference date routine which is not within the
intervals listed above.
Correct your input.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

PPE_MESSAGE028 - Details

• The SAP error message PPE_MESSAGE028 indicates that the reference date routine specified in your configuration is not within the reserved number interval. This typically occurs in the context of SAP's Production Planning and Detailed Scheduling (PP/DS) module, where reference date routines are used to determine how dates are calculated for planning purposes.
  
  Cause:
  
  Invalid Routine Number: The reference date routine number you are trying to use is either not defined or is outside the range of valid routine numbers.
  
  Configuration Issues: There may be a misconfiguration in the settings related to the reference date routines in the system.
  Custom Development: If there are custom routines or modifications, they may not be properly registered or may have been deleted.
  
  
  Solution:
  
  Check Routine Number: Verify the reference date routine number you are using. Ensure it is a valid number and falls within the reserved range defined by SAP.
  Configuration Review: Go to the configuration settings for the reference date