How To Fix VT336 - System error: Blocking unsuccessful, can only be displayed

SAP Error Message - Details

• Message type: E = Error

• Message class: VT - Vertriebstabellen

• Message number: 336

• Message text: System error: Blocking unsuccessful, can only be displayed

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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Smart SAP Assistant

• What is the cause and solution for SAP error message VT336 - System error: Blocking unsuccessful, can only be displayed ?

  The SAP error message VT336, which states "System error: Blocking unsuccessful, can only be displayed," typically occurs in the context of the SAP Transportation Management or Logistics Execution modules. This error indicates that there was an issue with blocking a document or transaction, and as a result, the system is unable to proceed with the operation.
  Causes:
  
  Database Lock Issues: The error may arise due to database locks that prevent the system from updating or blocking the necessary records.
  Authorization Issues: The user may not have the required authorizations to perform the blocking operation.
  System Configuration: There may be configuration issues in the system that prevent the blocking process from completing successfully.
  Technical Errors: There could be underlying technical issues, such as problems with the application server or database server.
  
  Solutions:
  
  
  Check Database Locks:
  
  Use transaction code SM12 to check for any active locks on the relevant tables. If you find locks that are preventing the operation, you may need to release them or wait for them to be released automatically.
  
  
  
  Review Authorizations:
  
  Ensure that the user has the necessary authorizations to perform the blocking operation. You can check this using transaction code SU53 to analyze authorization failures.
  
  
  
  System Logs:
  
  Check the system logs for any additional error messages or warnings that may provide more context about the issue. Use transaction code SM21 to view the system log.
  
  
  
  Configuration Review:
  
  Review the configuration settings related to the specific module (e.g., Transportation Management or Logistics Execution) to ensure that everything is set up correctly.
  
  
  
  Technical Support:
  
  If the issue persists, consider reaching out to your SAP Basis team or technical support for further investigation. They may need to analyze the application server logs or database logs for more detailed error information.
  
  
  
  SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates available that resolve the issue.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM12 (for locks), SU53 (for authorization checks), and SM21 (for system logs).
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Documentation: Review SAP documentation related to the specific module you are working with for any known issues or troubleshooting steps.
  
  By following these steps, you should be able to diagnose and resolve the VT336 error in your SAP system.