How To Fix CNV21500303 - Error when writing data in the database with function module &

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV21500 - Messages for HR conversions basis

• Message number: 303

• Message text: Error when writing data in the database with function module &

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 CNV21500303 - Error when writing data in the database with function module & ?

  The SAP error message CNV21500303 typically indicates an issue encountered during a data migration or conversion process, particularly when using the SAP Data Migration Workbench or similar tools. This error suggests that there was a problem writing data to the database, which can be caused by various factors.
  Possible Causes:
  
  Database Constraints: The data being written may violate database constraints such as primary key, foreign key, or unique constraints.
  Data Type Mismatch: The data types of the fields being written may not match the expected types in the database.
  Missing Required Fields: Required fields in the database may not be populated in the data being written.
  Authorization Issues: The user executing the function may not have the necessary authorizations to write to the database.
  Locking Issues: The database table may be locked by another process, preventing the write operation.
  Function Module Errors: There may be issues or bugs in the specific function module being called.
  
  Solutions:
  
  Check Data Validity: Review the data being migrated to ensure it adheres to all database constraints and requirements.
  Review Function Module: Check the specific function module mentioned in the error message for any known issues or bugs.
  Authorization Check: Ensure that the user has the necessary authorizations to perform the write operation.
  Database Lock Check: Investigate if the database table is locked and resolve any locking issues.
  Error Logs: Check the application logs (transaction SLG1) for more detailed error messages that can provide additional context.
  Data Mapping: Ensure that the data mapping is correctly defined and that all required fields are being populated.
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like SE37 to analyze the function module or SE11 to check the database table structure.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide guidance on similar issues.
  Data Migration Tools: Familiarize yourself with the tools and methodologies used for data migration in SAP, such as LSMW (Legacy System Migration Workbench) or SAP S/4HANA Migration Cockpit.
  
  If the issue persists after checking the above points, it may be beneficial to consult with your SAP Basis or technical team for further investigation or to reach out to SAP support for assistance.