How To Fix WW013 - Maintenance of material group assignments was cancelled

WW013 - Overview

• Message type: E = Error

• Message class: WW - Material group master maintenance

• Message number: 013

• Message text: Maintenance of material group assignments was cancelled

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?

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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 WW013 - Maintenance of material group assignments was cancelled ?

  The SAP error message WW013, which states "Maintenance of material group assignments was cancelled," typically occurs during the process of assigning or changing material groups for materials in the SAP system. This error can arise due to various reasons, and understanding the cause is essential for finding a solution.
  Causes:
  
  Authorization Issues: The user may not have the necessary authorizations to make changes to material group assignments.
  Data Inconsistencies: There may be inconsistencies in the data being processed, such as invalid material numbers or incorrect material group codes.
  System Configuration: The system may be configured in a way that restricts changes to material group assignments under certain conditions.
  Locked Records: The material or related records may be locked by another user or process, preventing changes.
  Transaction Errors: Errors during the transaction process, such as network issues or session timeouts, can lead to this message.
  
  Solutions:
  
  Check Authorizations: Ensure that the user has the necessary permissions to modify material