How To Fix MW523 - Select generic material and all variants for changing allocation rule

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 523

• Message text: Select generic material and all variants for changing allocation rule

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message MW523 - Select generic material and all variants for changing allocation rule ?

  The SAP error message MW523, which states "Select generic material and all variants for changing allocation rule," typically occurs in the context of managing materials and their allocation rules in SAP. This error is often related to the handling of generic materials and their variants in the system.
  Cause:
  
  
  Generic Material Handling: The error usually arises when you are trying to change the allocation rule for a specific variant of a generic material without selecting the generic material itself. In SAP, generic materials can have multiple variants, and changes to allocation rules need to be applied at the generic level.
  
  
  Incorrect Selection: If you are attempting to modify allocation rules for a specific variant without including the generic material in your selection, the system will throw this error.
  
  
  Configuration Issues: There may be configuration settings in the material management module that are not set up correctly, leading to this error when trying to change allocation rules.
  
  
  Solution:
  
  
  Select the Generic Material: When you encounter this error, ensure that you have selected the generic material along with its variants. You can do this by:
  
  Navigating to the relevant transaction (e.g., MM02 for changing material).
  Selecting the generic material and ensuring that all variants are included in your selection.
  
  
  
  Check Allocation Rules: Review the allocation rules you are trying to change. Make sure they are applicable to the generic material and its variants.
  
  
  Consult Documentation: Refer to SAP documentation or help files related to material management and allocation rules for specific guidance on handling generic materials.
  
  
  Configuration Review: If the issue persists, it may be necessary to review the configuration settings in the material management module. This may involve consulting with your SAP Basis or MM consultant to ensure that the system is set up correctly for handling generic materials.
  
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error. SAP Notes often provide fixes or workarounds for known issues.
  
  
  Related Information:
  
  Generic Materials: In SAP, generic materials are used to represent a group of similar products. They allow for easier management of materials that share common characteristics.
  Variants: Variants are specific instances of a generic material, differentiated by attributes such as size, color, or other specifications.
  Allocation Rules: Allocation rules determine how stock is allocated to different orders or customers, and they can be critical for inventory management and order fulfillment.
  
  If you continue to experience issues or if the error is affecting business processes, it may be beneficial to engage with SAP support or your internal IT team for further assistance.