How To Fix MW621 - &1 &2: &3. Allocation rule processing not possible

MW621 - Overview

• Message type: E = Error

• Message class: MW - Messages IS-R / Allocation Tables

• Message number: 621

• Message text: &1 &2: &3. Allocation rule processing not possible

What causes this issue?

You want to go from an allocation table item to processing an
allocation rule. This is not possible. This can have one of the
following reasons:

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

The item was generated from a promotion.
Only certain data (such as quantities or dates) can be changed for
items referring to a promotion.
Materials and plants cannot be changed, as the system has to ensure
that the material and the plants concerned take part in the promotion.
You therefore are not able to change the allocation rule or the plant
groups in the item.
The status does not allow the allocation rule to be processed.
If follow-on documents exist for this item, any changes to the
allocation rule do not apply tor the item.

System Response

INCLUDE ISR_VERARBEITUNG

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MW621 - &1 &2: &3. Allocation rule processing not possible ?

  The SAP error message MW621 typically indicates an issue with the allocation rule processing in the context of inventory management or material management. The message format you provided includes placeholders (&1, &2, &3) that would be replaced with specific details relevant to the error encountered.
  
  Cause:
  The error MW621 can occur due to several reasons, including but not limited to:
  
  Missing Allocation Rules: The system may not have the necessary allocation rules defined for the material or the movement type being processed.
  Incorrect Configuration: There may be configuration issues in the allocation rule settings or in the related master data.
  Data Inconsistencies: There could be inconsistencies in the data related to the material, such as missing or incorrect master data.
  Stock Type Issues: The stock type being processed may not be compatible with the allocation rules defined.
  Authorization Issues: The user may not have the necessary authorizations to perform the allocation.
  
  
  Solution:
  To resolve the MW621 error, you can