How To Fix WW653 - Allocation rules with & were checked and allocation table items adjusted

WW653 - Overview

• Message type: E = Error

• Message class: WW - Material group master maintenance

• Message number: 653

• Message text: Allocation rules with & were checked and allocation table items adjusted

What causes this issue?

The allocation rules for this base material group were checked. Then
all the allocation tables that use these allocation rules were
selected.

System Response

If allocation table items containing reclassified materials were found,
the old base material group was replaced by the new base material group
in every case.

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?

Error message extract from SAP system. Copyright SAP SE.

WW653 - Details

• The SAP error message WW653 typically relates to issues with allocation rules in the context of cost allocation or internal order management. This message indicates that the allocation rules you are using have been checked, and as a result, the allocation table items have been adjusted. Here’s a breakdown of the cause, potential solutions, and related information:
  
  Cause:
  
  
  Allocation Rules Configuration: The allocation rules defined in the system may not be set up correctly or may not match the data being processed. This can happen if there are changes in the underlying data or if the rules have been modified without proper adjustments to the related configurations.
  
  
  Data Inconsistencies: There may be inconsistencies in the data that the allocation rules are trying to process. This could include missing or incorrect master data, such as cost centers, internal orders, or other relevant entities.
  
  
  Changes in Master Data: If there have been recent changes to master