How To Fix HSM_API012 - Insert not possible; data record already exists on key date &1

SAP Error Message - Details

• Message type: E = Error

• Message class: HSM_API - HM: Hazardous Substance Master APIs

• Message number: 012

• Message text: Insert not possible; data record already exists on key date &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message HSM_API012 - Insert not possible; data record already exists on key date &1 ?

  The SAP error message HSM_API012 indicates that an attempt to insert a data record into the system has failed because a record with the same key date already exists. This error typically occurs in the context of the SAP HANA Smart Data Integration (SDI) or other data management processes where unique records are required for specific key dates.
  Cause:
  The primary cause of this error is that the system is trying to insert a new record that has a key date which already exists in the database. This can happen due to:
  
  Duplicate data being sent for insertion.
  Incorrect logic in the data processing or ETL (Extract, Transform, Load) process that does not account for existing records.
  A misunderstanding of the data model where unique constraints are enforced on key dates.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Existing Records: Before attempting to insert a new record, check the database to see if a record with the same key date already exists. You can do this by querying the relevant table.
  
  
  Update Instead of Insert: If the record already exists and you need to modify it, consider using an update operation instead of an insert. This will allow you to change the existing record without violating the unique constraint.
  
  
  Handle Duplicates: If your data source may contain duplicates, implement logic to filter out duplicates before the insertion process. This can be done through data cleansing or transformation steps in your ETL process.
  
  
  Review Data Model: Ensure that your data model is designed correctly and that you understand the constraints on key dates. If necessary, adjust the model to accommodate your data requirements.
  
  
  Error Handling: Implement error handling in your data processing logic to catch this error and take appropriate actions, such as logging the error or notifying the user.
  
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for HANA and data integration for more details on handling data records and constraints.
  Transaction Codes: Use transaction codes like SE11 (Data Dictionary) to check the table structure and constraints.
  Debugging: If you have access to the development environment, you can debug the process to see where the error is occurring and gather more context about the data being processed.
  
  By following these steps, you should be able to resolve the HSM_API012 error and ensure that your data insertion processes run smoothly.