How To Fix COM_DML_ENGINE204 - Error while reading the header data

SAP Error Message - Details

• Message type: E = Error

• Message class: COM_DML_ENGINE - MDF Processing Layer

• Message number: 204

• Message text: Error while reading the header data

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 COM_DML_ENGINE204 - Error while reading the header data ?

  The SAP error message COM_DML_ENGINE204 typically indicates an issue with reading header data in a document or transaction. This error can occur in various contexts, such as during data processing, document creation, or when accessing certain records in the SAP system.
  Possible Causes:
  
  Data Corruption: The header data may be corrupted or incomplete, leading to issues when the system attempts to read it.
  Authorization Issues: The user may not have the necessary permissions to access the header data.
  Configuration Issues: There may be configuration problems in the relevant module or application area.
  Database Issues: Problems with the underlying database, such as connectivity issues or data integrity problems, can also lead to this error.
  Custom Code: If there are custom developments or enhancements, they may not be handling the header data correctly.
  
  Solutions:
  
  Check Data Integrity: Verify the integrity of the header data. This may involve checking for missing or corrupted records in the database.
  Review Authorizations: Ensure that the user has the appropriate authorizations to access the header data. This can be done by checking the user roles and permissions.
  Configuration Review: Review the configuration settings related to the module or application where the error occurred. Ensure that all necessary settings are correctly configured.
  Database Check: Perform a database check to ensure that there are no connectivity issues or data integrity problems. This may involve running database consistency checks or consulting with your database administrator.
  Debugging Custom Code: If there are custom developments, debug the code to identify any issues related to how header data is being processed.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. SAP frequently releases updates and patches that can resolve known issues.
  
  Related Information:
  
  Transaction Codes: Depending on where the error occurs, you may want to check specific transaction codes related to the module (e.g., MM, SD, FI).
  Logs and Traces: Review system logs (SM21) and application logs (SLG1) for additional details that may provide context for the error.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  
  If the issue persists after trying the above solutions, it may be necessary to escalate the problem to your SAP Basis or technical support team for further investigation.