How To Fix CM_EHFND_CRR202 - Cannot insert into database. Primary key already exists.

SAP Error Message - Details

• Message type: E = Error

• Message class: CM_EHFND_CRR - Messages for Compliance Requirement Result

• Message number: 202

• Message text: Cannot insert into database. Primary key already exists.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CM_EHFND_CRR202 - Cannot insert into database. Primary key already exists. ?

  The SAP error message CM_EHFND_CRR202: Cannot insert into database. Primary key already exists. typically occurs when there is an attempt to insert a record into a database table where the primary key value already exists. This is a common issue in database management systems, including SAP, where primary keys must be unique for each record in a table.
  Cause:
  
  Duplicate Primary Key: The most common cause is that the application is trying to insert a new record with a primary key that already exists in the database.
  Data Integrity Issues: There may be issues with the data being processed, such as incorrect data being sent to the database.
  Concurrency Issues: If multiple processes are trying to insert records simultaneously, one process may be trying to insert a record with a primary key that another process has already inserted.
  Incorrect Logic in Code: There may be a flaw in the application logic that generates or assigns primary key values.
  
  Solution:
  
  Check Existing Records: Before inserting a new record, check the database to see if a record with the same primary key already exists. This can be done using a SELECT query.
  Modify Primary Key Generation Logic: If the primary key is generated programmatically, ensure that the logic for generating unique keys is robust and does not produce duplicates.
  Handle Concurrency: Implement proper locking mechanisms or transaction management to handle concurrent inserts safely.
  Error Handling: Implement error handling in your application to catch this error and respond appropriately, such as notifying the user or logging the error for further investigation.
  Data Cleanup: If there are duplicate records in the database, you may need to clean up the data to ensure that the primary key constraint is not violated.
  
  Related Information:
  
  Database Constraints: Understanding how primary keys and constraints work in your database can help prevent this error.
  SAP Notes: Check SAP Notes and documentation for any specific patches or updates related to this error.
  Debugging: Use debugging tools in SAP to trace the execution of the code that leads to this error, which can help identify the root cause.
  Transaction Management: Familiarize yourself with transaction management in SAP to ensure that operations are atomic and consistent.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP support team or refer to SAP community forums for additional insights.