How To Fix CX_IUUC_RL012 - Entry for &1, &2 already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: CX_IUUC_RL - exception text for CL_IUUC_RL

• Message number: 012

• Message text: Entry for &1, &2 already exists

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CX_IUUC_RL012 - Entry for &1, &2 already exists ?

  The SAP error message CX_IUUC_RL012 indicates that there is an attempt to create an entry in a table or a data structure where an entry with the same key already exists. This error is typically associated with the SAP Landscape Transformation (SLT) replication process, which is used for real-time data replication from source systems to target systems.
  Cause:
  The error occurs when:
  
  There is an attempt to insert a record into a table where a record with the same key already exists.
  This can happen due to duplicate data being sent from the source system or due to a failure in the replication process that did not properly handle existing records.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check for Duplicates: 
  
  Investigate the source system to see if there are duplicate records that are being sent for replication. You may need to clean up the data in the source system.
  
  
  
  Review Replication Settings:
  
  Ensure that the SLT configuration is set up correctly. Check the mapping and transformation rules to ensure they are not causing duplicates.
  
  
  
  Data Consistency:
  
  Ensure that the target table is in a consistent state. If there are inconsistencies, you may need to manually resolve them.
  
  
  
  Error Handling:
  
  Implement error handling in your SLT configuration to manage how duplicates are handled. You can configure SLT to skip duplicates or update existing records instead of trying to insert them.
  
  
  
  Monitoring and Logs:
  
  Check the SLT logs for more detailed information about the error. This can provide insights into what data is causing the issue and help you troubleshoot further.
  
  
  
  Re-initialization:
  
  In some cases, it may be necessary to re-initialize the replication process for the affected tables. This involves stopping the replication, cleaning up the target table, and then starting the replication again.
  
  
  
  Related Information:
  
  Transaction Codes: You can use transaction codes like SLT to access the SLT configuration and monitoring tools.
  SAP Notes: Check for relevant SAP Notes that may provide additional guidance or patches related to this error.
  Documentation: Refer to the official SAP documentation for SLT for best practices on data replication and error handling.
  
  By following these steps, you should be able to identify the root cause of the CX_IUUC_RL012 error and implement a solution to prevent it from occurring in the future.