How To Fix TW201 - Table &1: Key fields &2 and &3 switched. Nothing deleted.

SAP Error Message - Details

• Message type: E = Error

• Message class: TW - R3trans - Messages

• Message number: 201

• Message text: Table &1: Key fields &2 and &3 switched. Nothing deleted.

What causes this issue?

Fields &V2& and &V3& in the structure of table &V1& are switched in the
source and target system. The way R3trans operates means that table
entries cannot be deleted during the import.

System Response

R3trans does not delete table entries.

How to fix this error?

To remove the problem of table entries remaining that should have been
deleted, distribute the structure of the table to all systems, and
repeat the transport of the table entries.

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message TW201 - Table &1: Key fields &2 and &3 switched. Nothing deleted. ?

  The SAP error message TW201 indicates that there is an issue with the key fields in a specific table. The message states that the key fields are "switched," which typically means that the values in the key fields do not match the expected order or configuration. This can occur in various scenarios, such as during data entry, data migration, or when performing certain operations on the table.
  Cause:
  
  Incorrect Data Entry: The most common cause is that the data was entered incorrectly, with the key fields being swapped or not matching the expected format.
  Data Migration Issues: If data was migrated from another system or table, the mapping of key fields may have been done incorrectly.
  Custom Development: If there are custom programs or enhancements that manipulate the data in the table, they may not be handling the key fields correctly.
  Configuration Errors: There may be configuration issues in the table definition or in the way the keys are defined.
  
  Solution:
  
  Check Data Entry: Review the data that was entered into the table. Ensure that the key fields are populated correctly and in the correct order.
  Data Validation: Implement validation checks to ensure that data entered into the key fields adheres to the expected format and order.
  Review Migration Process: If the error occurred after a data migration, review the migration scripts or processes to ensure that the key fields were mapped correctly.
  Debug Custom Code: If there are custom programs or enhancements, debug the code to identify where the key fields are being manipulated and correct any issues.
  Consult Documentation: Review the SAP documentation for the specific table to understand the expected structure and key field requirements.
  Contact SAP Support: If the issue persists and cannot be resolved through the above steps, consider reaching out to SAP support for further assistance.
  
  Related Information:
  
  Table Structure: Understanding the structure of the table in question, including the definition of key fields, can help in diagnosing the issue.
  Transaction Codes: Familiarize yourself with relevant transaction codes that may help in viewing or editing the data in the table (e.g., SE11 for Data Dictionary).
  SAP Notes: Check for any SAP Notes related to the specific table or error message, as there may be known issues or patches available.
  Testing Environment: If possible, replicate the issue in a testing environment to safely troubleshoot without affecting production data.
  
  By following these steps, you should be able to identify the cause of the TW201 error and implement a solution to resolve it.