How To Fix /SAPCND/ARCH155 - Error in database layer when reading

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPCND/ARCH -

• Message number: 155

• Message text: Error in database layer when reading

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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Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPCND/ARCH155 - Error in database layer when reading ?

  The SAP error message /SAPCND/ARCH155 Error in database layer when reading typically indicates an issue related to the database layer when the system is trying to read data from the database. This error can occur in various contexts, such as when accessing archived data or during data retrieval operations.
  Possible Causes:
  
  Database Connectivity Issues: There may be problems with the connection between the SAP application and the database.
  Corrupted Data: The data being accessed may be corrupted or not properly archived.
  Database Configuration Issues: Incorrect configuration settings in the database or in the SAP system can lead to read errors.
  Insufficient Authorizations: The user may not have the necessary permissions to access the data.
  Database Locking: The database might be locked due to other operations, preventing access to the required data.
  Archiving Issues: If the error occurs during an archiving operation, it may indicate that the archiving process did not complete successfully.
  
  Solutions:
  
  Check Database Connectivity: Ensure that the database is up and running and that the SAP system can connect to it without issues.
  Review Logs: Check the SAP application logs (transaction SLG1) and database logs for more detailed error messages that can provide insights into the problem.
  Data Consistency Check: Run consistency checks on the database to identify and fix any corrupted data.
  User Authorizations: Verify that the user has the necessary authorizations to access the data in question.
  Database Locks: Investigate if there are any locks on the database that might be preventing access. You can use transaction SM12 to check for locks.
  Re-archive Data: If the error is related to archived data, consider re-archiving the data or restoring it from a backup if corruption is suspected.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message or provide patches and updates.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SLG1 (Application Log), SM12 (Lock Entries), and SE11 (Data Dictionary) for troubleshooting.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, providing them with detailed logs and error messages.
  Documentation: Review SAP documentation related to archiving and database management for best practices and troubleshooting steps.
  
  By following these steps, you should be able to identify the root cause of the /SAPCND/ARCH155 error and implement a suitable solution.