How To Fix KD528 - Settlement document: The internal number is in critical area

KD528 - Overview

• Message type: E = Error

• Message class: KD - CO Settlement

• Message number: 528

• Message text: Settlement document: The internal number is in critical area

What causes this issue?

Your document number range includes a threshold value, which has
already been exceeded in this settlement.
The settlement document is a document type in its own right, required
for cancelling settlements and repeating month-end closes.

System Response

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

How to fix this error?

Have settlement document number range &V1& checked.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KD528 - Settlement document: The internal number is in critical area ?

  The SAP error message KD528, which states "Settlement document: The internal number is in critical area," typically occurs during the settlement process in SAP Controlling (CO) when the system encounters an issue with the internal number assignment for settlement documents. This error indicates that the internal number being used is in a range that is considered critical, meaning it may be reserved or restricted for certain operations or processes.
  
  Cause:
  
  Internal Number Range Configuration: The internal number range for settlement documents may be configured in such a way that it overlaps with a critical area reserved for other processes or document types.
  Number Range Interference: There may be a conflict with the number range settings in the system, where the number being assigned is not allowed due to restrictions.
  Custom Development: If there are custom developments or enhancements in the system, they may inadvertently affect the number range assignment.
  System Settings: The system settings for