How To Fix WW028 - Internal error occurred allocating material &

SAP Error Message - Details

• Message type: E = Error

• Message class: WW - Material group master maintenance

• Message number: 028

• Message text: Internal error occurred allocating material &

What causes this issue?

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

System Response

How to fix this error?

Repeat this assignment again later.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WW028 - Internal error occurred allocating material & ?

  The SAP error message WW028, which states "Internal error occurred allocating material &," typically indicates that there is an issue with the allocation of materials in the system. This error can arise from various underlying causes, and addressing it often requires a systematic approach. Here are some potential causes, solutions, and related information:
  Causes:
  
  Data Inconsistencies: There may be inconsistencies in the material master data or allocation data.
  Configuration Issues: Incorrect configuration in the allocation process or related settings in the system.
  System Bugs: There could be a bug in the SAP system that is causing the error.
  Missing Authorizations: The user may not have the necessary authorizations to perform the allocation.
  Locking Issues: The material or related data might be locked by another process or user.
  Resource Availability: The system may not find sufficient resources to allocate the material.
  
  Solutions:
  
  Check Material Master Data: Verify that the material master data is complete and accurate. Look for any missing or incorrect entries.
  Review Configuration Settings: Ensure that the configuration settings for material allocation are correct. This may involve checking the allocation strategy and related parameters.
  System Logs: Check the system logs (transaction SLG1) for more detailed error messages that can provide insights into the issue.
  User Authorizations: Confirm that the user has the necessary authorizations to perform the allocation. This can be checked in transaction SU53.
  Release Locks: If the material is locked, identify the user or process that is holding the lock and resolve it. You can use transaction SM12 to view and manage locks.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address known issues related to this error.
  Contact SAP Support: If the issue persists and cannot be resolved through the above steps, consider reaching out to SAP Support for assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM03 (Display Material), MM02 (Change Material), and SLG1 (Application Log).
  Documentation: Review SAP documentation related to material management and allocation processes for best practices and troubleshooting tips.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed.
  
  By following these steps, you should be able to identify the root cause of the WW028 error and implement a suitable solution.