How To Fix GT840 - Number of conversion errors (tupel) ; &

SAP Error Message - Details

• Message type: E = Error

• Message class: GT - Database utilities

• Message number: 840

• Message text: Number of conversion errors (tupel) ; &

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message GT840 - Number of conversion errors (tupel) ; & ?

  The SAP error message GT840, which indicates "Number of conversion errors (tupel) ; &", typically arises during data conversion processes, such as when loading data into SAP systems or during data migration activities. This error suggests that there are issues with the data being processed, which could be due to various reasons.
  Causes of GT840 Error
  
  
  Data Format Issues: The data being imported may not match the expected format. This can include incorrect data types, missing fields, or improperly formatted values.
  
  
  Data Integrity Problems: There may be inconsistencies or corruption in the data being processed, such as duplicate entries or invalid references.
  
  
  Mapping Errors: If you are using a mapping file or transformation rules, there may be errors in how the source data is mapped to the target structure.
  
  
  Configuration Issues: Incorrect configuration settings in the data import or migration tool can lead to conversion errors.
  
  
  Missing Master Data: If the data being processed relies on master data that is not present in the system, it can lead to conversion errors.
  
  
  Solutions to GT840 Error
  
  
  Check Data Format: Review the data being imported to ensure it adheres to the required format. Validate data types, lengths, and mandatory fields.
  
  
  Data Cleansing: Clean the data to remove any inconsistencies, duplicates, or invalid entries. This may involve using data quality tools or manual review.
  
  
  Review Mapping Rules: If applicable, check the mapping rules or transformation logic to ensure that they are correctly defined and that all necessary fields are accounted for.
  
  
  Configuration Review: Verify the configuration settings of the data import or migration tool to ensure they are set up correctly.
  
  
  Master Data Verification: Ensure that all required master data is present in the system before running the data import. This may involve loading master data first.
  
  
  Error Logs: Check the detailed error logs provided by SAP for more specific information about the conversion errors. This can help pinpoint the exact issues.
  
  
  Testing: Conduct a test run with a smaller subset of data to identify and resolve issues before processing the entire dataset.
  
  
  Related Information
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the GT840 error. SAP frequently updates its knowledge base with solutions to common problems.
  
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE38 (ABAP Editor) or SM37 (Job Monitoring) to analyze background jobs that may have encountered this error.
  
  
  Data Migration Tools: If you are using tools like SAP Data Services or SAP S/4HANA Migration Cockpit, refer to their documentation for specific guidelines on handling conversion errors.
  
  
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  
  By following these steps, you should be able to identify the root cause of the GT840 error and implement the necessary solutions to resolve it.