How To Fix S_UNIFIED_CON108 - No SAP Lock exists for committed read from database &1

SAP Error Message - Details

• Message type: E = Error

• Message class: S_UNIFIED_CON - Message Class for Unified Connectivity

• Message number: 108

• Message text: No SAP Lock exists for committed read from database &1

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 S_UNIFIED_CON108 - No SAP Lock exists for committed read from database &1 ?

  The SAP error message S_UNIFIED_CON108 indicates that there is no SAP lock existing for a committed read from the specified database. This error typically arises in scenarios where a transaction is trying to read data that is expected to be locked but is not, leading to potential inconsistencies or issues in data retrieval.
  Cause:
  
  Transaction Isolation Level: The error may occur due to the transaction isolation level set in the database. If the isolation level is too low, it may not maintain locks as expected.
  Lock Management: The SAP system may not have established a lock on the data being accessed, possibly due to the way the transaction is structured or due to a previous transaction releasing the lock.
  Database Configuration: There may be issues with the database configuration or settings that affect how locks are managed.
  Concurrency Issues: Multiple transactions trying to access the same data simultaneously can lead to this error if proper locking mechanisms are not in place.
  
  Solution:
  
  Check Transaction Logic: Review the logic of the transaction that is causing the error. Ensure that it is correctly acquiring locks before attempting to read data.
  Adjust Isolation Levels: If applicable, consider adjusting the transaction isolation levels in the database settings to ensure that locks are maintained as needed.
  Database Lock Monitoring: Use transaction monitoring tools to check for locks and see if there are any deadlocks or lock waits that might be causing the issue.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide patches or updates that could resolve the issue.
  Consult Documentation: Review the SAP documentation related to locking mechanisms and transaction management to ensure that best practices are being followed.
  System Restart: In some cases, a system restart may help clear any lingering locks or issues in the database.
  
  Related Information:
  
  SAP Basis Team: If you are unable to resolve the issue, it may be beneficial to involve your SAP Basis team, as they can provide insights into system configurations and database settings.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM12 (for lock entries) and SM21 (for system logs) to help diagnose the issue further.
  Performance Monitoring: Regularly monitor system performance and lock situations to prevent future occurrences of this error.
  
  If the problem persists after trying the above solutions, consider reaching out to SAP support for further assistance.