How To Fix CNV_10100106 - Cannot update table &1 (INSERT) ; return code (SY-SUBRC) = &2

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_10100 - Messages from package 10100

• Message number: 106

• Message text: Cannot update table &1 (INSERT) ; return code (SY-SUBRC) = &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_10100106 - Cannot update table &1 (INSERT) ; return code (SY-SUBRC) = &2 ?

  The SAP error message CNV_10100106 Cannot update table &1 (INSERT); return code (SY-SUBRC) = &2 typically occurs during data migration or conversion processes, particularly when using SAP's Data Migration tools or during the execution of a conversion program. This error indicates that the system attempted to insert a record into a specified table (&1), but the operation failed, returning a specific return code (&2).
  Causes:
  
  Database Constraints: The table may have constraints such as primary keys, foreign keys, or unique indexes that are being violated by the insert operation.
  Authorization Issues: The user executing the operation may not have the necessary authorizations to perform an insert on the specified table.
  Data Type Mismatch: The data being inserted may not match the expected data types or formats defined in the table structure.
  Table Locking: The table may be locked by another transaction, preventing the insert operation from completing.
  Missing Required Fields: The insert operation may be missing required fields that are mandatory for the table.
  System Configuration: There may be configuration issues or settings that prevent the insert operation from being executed.
  
  Solutions:
  
  Check Constraints: Review the table structure and constraints to ensure that the data being inserted does not violate any rules. This includes checking for primary key and unique constraints.
  Review Authorizations: Ensure that the user has the necessary authorizations to perform the insert operation on the specified table.
  Validate Data: Check the data being inserted for type mismatches or formatting issues. Ensure that all required fields are populated correctly.
  Check for Locks: Use transaction codes like SM12 to check for any locks on the table and resolve them if necessary.
  Debugging: If you have access to the ABAP code, you can debug the program to identify the exact point of failure and the return code (SY-SUBRC) that is being generated.
  Consult Documentation: Refer to SAP Notes or documentation related to the specific migration or conversion tool you are using for any known issues or additional troubleshooting steps.
  
  Related Information:
  
  
  Return Code (SY-SUBRC): The return code provides additional context about the failure. Common return codes include:
  
  0: Success
  4: Error due to a database constraint violation
  8: Authorization failure
  Other codes may indicate different types of errors.
  
  
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  SE11: Data Dictionary to check table structure.
  SE37: Function Module to check the function being called.
  SM21: System Log to check for any system-related issues.
  
  
  
  SAP Notes: Search for specific SAP Notes related to the error message or the migration tool you are using, as they may provide additional insights or patches.
  
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.