How To Fix RDM_BBY021 - System error; data could not be blocked

SAP Error Message - Details

• Message type: E = Error

• Message class: RDM_BBY - Bonus Buy: Messages

• Message number: 021

• Message text: System error; data could not be blocked

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 RDM_BBY021 - System error; data could not be blocked ?

  The SAP error message RDM_BBY021, which states "System error; data could not be blocked," typically indicates an issue related to data locking in the SAP system. This error can occur in various contexts, such as during data processing, updates, or transactions where the system attempts to lock certain data records to prevent concurrent modifications.
  Causes:
  
  Database Locking Issues: The error may arise if the system is unable to acquire a lock on the required data due to existing locks held by other transactions or processes.
  System Performance Issues: High system load or performance bottlenecks can lead to timeouts or failures in acquiring locks.
  Configuration Issues: Incorrect configuration settings in the SAP system or database can lead to locking problems.
  Database Corruption: In rare cases, corruption in the database can prevent proper locking mechanisms from functioning.
  User Authorization Issues: The user may not have the necessary authorizations to perform the action that requires data locking.
  
  Solutions:
  
  Check for Existing Locks: Use transaction code SM12 to check for existing locks on the data. If there are locks held by other users or processes, you may need to wait for them to release the locks or, if appropriate, release them manually.
  Review System Performance: Monitor system performance using transaction codes like ST22 (dump analysis) and SM66 (global work process overview) to identify any performance issues that may be causing the error.
  Check Configuration: Review the configuration settings related to data locking and ensure they are set correctly. This may involve checking the database settings or SAP parameters.
  Database Health Check: Perform a health check on the database to ensure there are no corruption issues. This may involve running database-specific tools or commands.
  User Authorizations: Verify that the user encountering the error has the necessary authorizations to perform the action. This can be checked using transaction code SU53 to analyze authorization failures.
  Restart the Application: In some cases, restarting the application or the relevant transaction can resolve temporary locking issues.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error. You can search the SAP Support Portal for specific notes that may address the RDM_BBY021 error.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM12 (lock entries), SM21 (system log), ST22 (dump analysis), and SM66 (global work process overview) for troubleshooting.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found effective.
  
  If the issue persists after trying the above solutions, it may be necessary to involve your SAP Basis team or SAP support for further investigation and resolution.