How To Fix /SCWM/WHO407 - Error accessing WTs

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCWM/WHO -

• Message number: 407

• Message text: Error accessing WTs

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCWM/WHO407 - Error accessing WTs ?

  The SAP error message /SCWM/WHO407 Error accessing WTs typically occurs in the context of SAP Extended Warehouse Management (EWM) when there is an issue accessing Warehouse Tasks (WTs). This error can arise due to various reasons, including data inconsistencies, configuration issues, or system performance problems.
  Causes:
  
  Data Inconsistencies: There may be inconsistencies in the data related to the Warehouse Tasks, such as missing or incorrect entries in the database.
  Authorization Issues: The user may not have the necessary authorizations to access or modify the Warehouse Tasks.
  Configuration Errors: Incorrect configuration settings in the EWM system can lead to issues when trying to access WTs.
  System Performance: If the system is under heavy load or if there are performance issues, it may lead to timeouts or failures in accessing WTs.
  Lock Entries: If a WT is locked by another process or user, it may prevent access to that WT.
  
  Solutions:
  
  Check Data Consistency: Use transaction codes like /SCWM/WT to check the status of Warehouse Tasks and ensure that there are no inconsistencies. You may need to run consistency checks or repair tools if discrepancies are found.
  Review Authorizations: Ensure that the user encountering the error has the appropriate authorizations to access and manage Warehouse Tasks. This can be checked in the user roles and profiles.
  Configuration Review: Review the configuration settings in the EWM system to ensure that they are set up correctly. This may involve checking the settings for Warehouse Management, Storage Types, and other related configurations.
  Monitor System Performance: Check the system performance and load. If the system is slow, consider optimizing performance or scheduling heavy processes during off-peak hours.
  Check for Locks: Use transaction code SM12 to check for any lock entries related to the Warehouse Tasks. If you find locks that are no longer needed, you may need to delete them (with caution).
  Consult Logs: Review the application logs (transaction SLG1) for more detailed error messages that can provide additional context on the issue.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide patches and updates.
  Documentation: Refer to the SAP EWM documentation for best practices and troubleshooting steps related to Warehouse Tasks.
  Community Forums: Engage with SAP community forums or support channels for insights from other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, it may be necessary to involve SAP support for further investigation.