How To Fix WW642 - The version tree could not be saved. Internal error.

SAP Error Message - Details

• Message type: E = Error

• Message class: WW - Material group master maintenance

• Message number: 642

• Message text: The version tree could not be saved. Internal error.

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?

INCLUDE ISR_VERWALTUNG

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WW642 - The version tree could not be saved. Internal error. ?

  The SAP error message WW642, which states "The version tree could not be saved. Internal error," typically occurs in the context of SAP's Project System (PS) or related modules where version management is involved. This error can arise due to various reasons, including data inconsistencies, system configuration issues, or problems with the underlying database.
  Possible Causes:
  
  Data Inconsistencies: There may be inconsistencies in the data related to the version tree, such as missing or corrupted entries.
  Authorization Issues: The user may not have the necessary authorizations to perform the action related to version management.
  Database Issues: There could be issues with the database, such as locks, corruption, or connectivity problems.
  Configuration Errors: Incorrect configuration settings in the project system or related modules may lead to this error.
  System Bugs: There may be bugs in the SAP system that could cause this error, especially if you are using an older version of SAP.
  
  Solutions:
  
  Check Authorizations: Ensure that the user has the necessary authorizations to save version trees. You can check this in transaction SU53 or by consulting with your security team.
  Data Consistency Check: Use transaction codes like SE11 or SE16 to check the relevant tables for inconsistencies. You may need to run consistency checks or repair tools if inconsistencies are found.
  Database Check: Check the database for locks or issues. You may need to consult your database administrator to ensure that the database is functioning correctly.
  Review Configuration: Review the configuration settings in the Project System to ensure that everything is set up correctly. This may involve checking project profiles, version management settings, etc.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes or patches that address this specific error. Sometimes, applying a patch can resolve internal errors.
  System Logs: Review the system logs (transaction SM21) for any additional error messages or warnings that could provide more context about the issue.
  Contact SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance. Provide them with detailed information about the error, including any relevant logs or screenshots.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11 (Data Dictionary), SE16 (Data Browser), SM21 (System Log), and SU53 (Authorization Check).
  SAP Documentation: Refer to SAP's official documentation for Project System and version management for more detailed information on configuration and troubleshooting.
  Community Forums: Check SAP Community forums or other user groups for similar issues and solutions shared by other users.
  
  By following these steps, you should be able to diagnose and potentially resolve the WW642 error in your SAP system.