How To Fix MDG_TR021 - Table &1: Error during INSERT of an individual record (&2)

SAP Error Message - Details

• Message type: E = Error

• Message class: MDG_TR - MDG: Transport Tool

• Message number: 021

• Message text: Table &1: Error during INSERT of an individual record (&2)

What causes this issue?

An individual record with key &V2& in table &V1& could not be added.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MDG_TR021 - Table &1: Error during INSERT of an individual record (&2) ?

  The SAP error message MDG_TR021 typically indicates that there was an issue during the insertion of a record into a specific table in the Master Data Governance (MDG) module. The error message format suggests that it is related to a specific table (denoted by &1) and a specific record (denoted by &2).
  Cause:
  The error can be caused by several factors, including but not limited to:
  
  Data Integrity Issues: The data being inserted may violate constraints such as primary key, foreign key, or unique constraints in the target table.
  Missing Required Fields: Required fields in the target table may not be populated, leading to a failure during the insert operation.
  Data Type Mismatches: The data types of the fields being inserted may not match the expected data types in the target table.
  Database Locking Issues: The target table may be locked by another transaction, preventing the insert operation from completing.
  Authorization Issues: The user performing the operation may not have the necessary authorizations to insert records into the specified table.
  Custom Logic or Enhancements: If there are custom validations or enhancements in place, they may be causing the insert to fail.
  
  Solution:
  To resolve the MDG_TR021 error, you can take the following steps:
  
  Check the Error Log: Review the detailed error log or application log (transaction SLG1) for more specific information about the error.
  Validate Data: Ensure that the data being inserted meets all the requirements of the target table, including data types, required fields, and constraints.
  Check for Locks: Use transaction SM12 to check if there are any locks on the target table that might be preventing the insert operation.
  Review Authorizations: Ensure that the user has the necessary authorizations to perform the insert operation on the specified table.
  Debugging: If the issue persists, consider debugging the process to identify where the failure occurs. This may involve looking at the relevant ABAP code or enhancement points.
  Consult Documentation: Review SAP documentation or notes related to the specific table and the MDG process you are working with for any known issues or additional guidance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SLG1 (Application Log), SM12 (Lock Entries), and SE80 (Object Navigator) for debugging.
  SAP Notes: Check SAP Notes for any known issues or patches related to the MDG_TR021 error.
  Community Forums: Consider searching or posting in SAP community forums for additional insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify the root cause of the MDG_TR021 error and implement an appropriate solution.