How To Fix CNV_CMIS_A_20126 - Problem occured while trying to write substate details to database

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_CMIS_A_20 - Message class for Cross-Client Customizing Comparison (SLO)

• Message number: 126

• Message text: Problem occured while trying to write substate details to database

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 CNV_CMIS_A_20126 - Problem occured while trying to write substate details to database ?

  The SAP error message CNV_CMIS_A_20126 typically indicates an issue that occurred while attempting to write substate details to the database during a data migration or conversion process. This error is often associated with the SAP Conversion Management Information System (CMIS) and can arise due to various reasons.
  Possible Causes:
  
  Database Locking Issues: The database table may be locked by another process, preventing the write operation.
  Data Integrity Violations: There may be issues with the data being written, such as constraints or foreign key violations.
  Insufficient Authorizations: The user executing the operation may not have the necessary permissions to write to the database.
  Configuration Issues: Incorrect configuration settings in the migration or conversion process can lead to this error.
  Database Connectivity Problems: Issues with the database connection can also cause write operations to fail.
  Resource Limitations: Insufficient memory or disk space on the database server can lead to write failures.
  
  Solutions:
  
  Check Database Locks: Use transaction codes like SM12 to check for any locks on the database tables involved. If locks are found, resolve them by terminating the blocking sessions if appropriate.
  Review Data: Validate the data being processed to ensure it adheres to all integrity constraints. Check for any anomalies or inconsistencies in the data.
  Verify Authorizations: Ensure that the user executing the migration has the necessary authorizations to perform write operations on the relevant database tables.
  Configuration Review: Review the configuration settings for the migration process to ensure they are set up correctly.
  Database Connectivity: Check the database connection settings and ensure that the database is accessible and functioning properly.
  Monitor Resources: Check the server for resource availability (memory, disk space) and address any limitations that may be affecting the database operations.
  
  Related Information:
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Transaction Logs: Review the application and database logs for more detailed error messages that can provide insights into the root cause of the issue.
  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 problem persists after trying the above solutions, it may be beneficial to contact SAP support for further assistance, providing them with detailed information about the error and the context in which it occurred.