How To Fix COM_DML_ENGINE189 - Buffered state is being processed

SAP Error Message - Details

• Message type: E = Error

• Message class: COM_DML_ENGINE - MDF Processing Layer

• Message number: 189

• Message text: Buffered state is being processed

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 COM_DML_ENGINE189 - Buffered state is being processed ?

  The SAP error message "COM_DML_ENGINE189: Buffered state is being processed" typically indicates that there is an issue with the data buffering mechanism in the SAP system, particularly in the context of the Data Manipulation Language (DML) operations. This error can occur when a DML operation is attempted while another buffered operation is still being processed.
  Causes:
  
  Concurrent Operations: The error often arises when multiple DML operations are attempted simultaneously on the same data set or object, leading to conflicts.
  Long-Running Transactions: If a transaction takes too long to complete, it may block other operations from being executed, resulting in this error.
  Buffering Issues: Problems with the data buffering configuration or the state of the buffer can also lead to this error.
  Locking Mechanisms: If the data being accessed is locked by another process, it can prevent the current operation from proceeding.
  
  Solutions:
  
  Check for Concurrent Processes: Ensure that no other processes are trying to access the same data simultaneously. If possible, serialize the operations to avoid conflicts.
  Review Long-Running Transactions: Identify any long-running transactions and optimize them to complete faster. This may involve reviewing the logic, reducing the amount of data processed, or breaking the transaction into smaller parts.
  Buffer Management: Check the buffering settings in the SAP system. You may need to adjust the buffer settings or clear the buffer if it is in an inconsistent state.
  Transaction Management: Use transaction management techniques to ensure that operations are properly committed or rolled back, preventing locks from persisting longer than necessary.
  System Logs and Traces: Review system logs and traces to identify any underlying issues that may be causing the buffering state to be stuck. This can provide insights into what is causing the blockage.
  Restart the Application: In some cases, restarting the application or the relevant services can help clear the buffered state and resolve the issue.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  System Performance: Monitor system performance to ensure that it is not being adversely affected by high load or resource contention, which can exacerbate buffering issues.
  
  If the problem persists after trying the above solutions, it may be necessary to involve SAP support for further investigation and assistance.