How To Fix 0K126 - Column 2 in row 1 changed to 55 in table

SAP Error Message - Details

• Message type: E = Error

• Message class: 0K - Messages for "General List Modules"

• Message number: 126

• Message text: Column 2 in row 1 changed to 55 in table

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 0K126 - Column 2 in row 1 changed to 55 in table ?

  The SAP error message "0K126 Column 2 in row 1 changed to 55 in table" typically indicates that there is an issue with data consistency or integrity in a table during a data upload or data processing operation. This error can occur in various contexts, such as during data migration, data uploads via LSMW (Legacy System Migration Workbench), or when using BAPIs (Business Application Programming Interfaces).
  Cause:
  
  Data Type Mismatch: The value being inserted or updated in the specified column does not match the expected data type or length defined in the database table.
  Validation Rules: The value being processed may violate certain validation rules or constraints defined for that column in the database.
  Data Conversion Issues: If the data is being converted from one format to another (e.g., from a flat file to a database), there may be issues with how the data is being interpreted.
  Incorrect Mapping: If you are using a data migration tool, the mapping of fields may be incorrect, leading to unexpected values being assigned.
  
  Solution:
  
  Check Data Types: Verify that the data being uploaded matches the expected data types and lengths for the columns in the target table. Adjust the data accordingly.
  Review Validation Rules: Check if there are any validation rules or constraints on the column that might be causing the error. Ensure that the data being processed adheres to these rules.
  Data Mapping: If using a migration tool, review the mapping configuration to ensure that the correct source fields are mapped to the correct target fields.
  Debugging: If possible, enable debugging or logging to capture more detailed information about the error. This can help identify the specific data causing the issue.
  Test with Sample Data: Try uploading a smaller set of data or a sample that is known to be valid to see if the error persists. This can help isolate the problematic data.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions to common problems.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11 (Data Dictionary), SE37 (Function Modules), and LSMW for data migration tasks.
  Documentation: Review the documentation for the specific module or process you are working with to understand any specific requirements or constraints.
  
  If the issue persists after trying the above solutions, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.