How To Fix CNV_20800111 - Read operation failed for &1 &2

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_20800 - Message class for CNV_20800

• Message number: 111

• Message text: Read operation failed for &1 &2

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 CNV_20800111 - Read operation failed for &1 &2 ?

  The SAP error message CNV_20800111: Read operation failed for &1 &2 typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates that the system encountered an issue while trying to read data from a specified source.
  Causes:
  
  Data Source Issues: The source data might be missing, corrupted, or not accessible due to permissions or connectivity issues.
  Configuration Errors: Incorrect configuration settings in the migration cockpit or data mapping can lead to read failures.
  Table Locking: The target table might be locked by another process, preventing read operations.
  Data Format Issues: The data format in the source system may not match the expected format in the target system.
  Authorization Issues: The user executing the migration may not have the necessary authorizations to read the data from the source.
  
  Solutions:
  
  Check Data Source: Verify that the data source is available and that the data is intact. Ensure that the necessary tables or files are accessible.
  Review Configuration: Double-check the configuration settings in the migration cockpit. Ensure that the mapping and transformation rules are correctly defined.
  Check for Locks: Use transaction codes like SM12 to check for any locks on the target tables. If locks are found, resolve them by either waiting for the process to complete or terminating the locking session if appropriate.
  Validate Data Formats: Ensure that the data formats in the source system match the expected formats in the target system. This may involve data cleansing or transformation.
  Authorization Check: Ensure that the user executing the migration has the necessary authorizations to access the source data. You may need to consult with your SAP security team to verify and adjust authorizations.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11 (Data Dictionary), SE16 (Data Browser), and SM37 (Job Monitoring) to investigate further.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Logs and Traces: Review logs and traces generated during the migration process for more detailed error messages that can provide insights into the root cause.
  
  If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance, providing them with detailed information about the error and the context in which it occurred.