How To Fix SODQ156 - &2 TSNs up to TSN &1 deleted from transaction log (details will follow)

SAP Error Message - Details

• Message type: E = Error

• Message class: SODQ - Operational Delta Queue

• Message number: 156

• Message text: &2 TSNs up to TSN &1 deleted from transaction log (details will follow)

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 SODQ156 - &2 TSNs up to TSN &1 deleted from transaction log (details will follow) ?

  The SAP error message SODQ156 indicates that certain Transaction Sequence Numbers (TSNs) have been deleted from the transaction log. This message typically arises in the context of SAP's data processing and logging mechanisms, particularly when dealing with data consistency and transaction management.
  Cause:
  The error message SODQ156 is usually triggered by one of the following reasons:
  
  Data Consistency Issues: The system may have detected inconsistencies in the transaction logs, leading to the deletion of certain TSNs to maintain data integrity.
  System Cleanup Processes: SAP systems often have background jobs or cleanup processes that remove old or unnecessary transaction logs to optimize performance and storage.
  Manual Deletion: An administrator or user may have manually deleted transaction logs or configured the system to do so based on certain criteria.
  Configuration Settings: Certain settings in the system configuration may lead to the automatic deletion of transaction logs after a specific period or under certain conditions.
  
  Solution:
  To resolve the SODQ156 error, consider the following steps:
  
  Check System Logs: Review the system logs and transaction logs to identify any recent changes or deletions that may have triggered this error.
  Analyze Configuration Settings: Verify the configuration settings related to transaction logging and data retention policies. Ensure that they align with your organization's data management policies.
  Restore Deleted Logs: If the deletion of TSNs was unintentional, check if there are backups or archives of the transaction logs that can be restored.
  Consult SAP Notes: Look for relevant SAP Notes or documentation that may provide specific guidance or patches related to this error message.
  Contact SAP Support: If the issue persists or if you are unsure about the cause, consider reaching out to SAP Support for assistance. They can provide insights based on the specific context of your system.
  
  Related Information:
  
  Transaction Logs: These logs are crucial for maintaining data integrity and consistency in SAP systems. They record changes made during transactions and are used for rollback and recovery processes.
  Data Retention Policies: Organizations often have policies governing how long transaction logs should be retained. Understanding these policies can help prevent unexpected deletions.
  SAP Basis Administration: Knowledge of SAP Basis administration can be beneficial in managing transaction logs and understanding the implications of their deletion.
  
  By following these steps and understanding the context of the error, you can effectively address the SODQ156 message and ensure the integrity of your SAP system's transaction logs.