How To Fix CNV_PE568 - Parameter &1 cannot be linked to more than one data parameter

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_PE - General messages for posting engine

• Message number: 568

• Message text: Parameter &1 cannot be linked to more than one data parameter

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_PE568 - Parameter &1 cannot be linked to more than one data parameter ?

  The SAP error message CNV_PE568 indicates that a specific parameter (denoted as &1) is being linked to more than one data parameter in a conversion or migration process. This typically occurs in the context of data migration projects, especially when using SAP's data migration tools or conversion programs.
  Cause:
  The error arises when:
  
  Duplicate Mapping: The same parameter is being mapped to multiple data fields or parameters in the migration configuration.
  Incorrect Configuration: There may be a misconfiguration in the mapping settings, leading to ambiguity in how the data should be processed.
  Data Model Issues: The underlying data model may have constraints that prevent a single parameter from being associated with multiple data sources.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Review Mapping Configuration:
  
  Check the mapping configuration for the migration or conversion process.
  Ensure that each parameter is uniquely mapped to a single data parameter.
  
  
  
  Identify Duplicates:
  
  Look for any duplicate entries in the mapping that might be causing the conflict.
  Remove or correct any duplicate mappings.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation for the specific migration tool you are using (e.g., SAP S/4HANA Migration Cockpit, LSMW, etc.) to understand the expected configuration.
  
  
  
  Test Changes:
  
  After making adjustments, run a test migration to ensure that the error is resolved.
  
  
  
  Seek Help from SAP Support:
  
  If the issue persists, consider reaching out to SAP support for further assistance, providing them with details of your configuration and the error message.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional guidance.
  Migration Tools: Familiarize yourself with the specific migration tools and their configuration settings, as different tools may have different requirements.
  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 and resolve the cause of the CNV_PE568 error in your SAP environment.