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

SAP Error Message - Details

• 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.

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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.

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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 group assignments. This can be done by reviewing the user's role and authorizations in the SAP system.
  Validate Data: Check the material numbers and material group codes for correctness. Ensure that the material group exists and is valid for the materials being processed.
  Review System Configuration: Consult with your SAP Basis or configuration team to ensure that there are no restrictions in place that would prevent changes to material group assignments.
  Unlock Records: If the material or related records are locked, identify the user or process that has locked them and resolve the issue. You can use transaction codes like SM12 to check for locked entries.
  Retry the Transaction: If the error was due to a temporary issue, such as a network glitch, try to repeat the transaction after a short period.
  Check Logs: Review the application logs (transaction SLG1) for any additional error messages or information that could provide more context about the failure.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM01 (Create Material), MM02 (Change Material), and MM03 (Display Material) for managing material master data.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. You can search for WW013 in the SAP Support Portal.
  Documentation: Review SAP documentation or help files related to material management and material group assignments for further insights.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP support team or reach out to SAP support for further assistance.