How To Fix CNV_DMC_SIN342 - Unexpected legacy contract number &1 in the company code &2

CNV_DMC_SIN342 - Overview

• Message type: E = Error

• Message class: CNV_DMC_SIN - Messages for s-innovations migration

• Message number: 342

• Message text: Unexpected legacy contract number &1 in the company code &2

Self-Explanatory Message

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CNV_DMC_SIN342 - Details

• The SAP error message CNV_DMC_SIN342, which indicates "Unexpected legacy contract number &1 in the company code &2," typically arises during data migration processes, particularly when using the SAP Data Migration Cockpit (DMC) or similar tools. This error suggests that the system has encountered a legacy contract number that it did not expect to find in the specified company code.
  
  Cause:
  
  Data Inconsistency: The legacy data being migrated may contain contract numbers that do not match the expected format or range defined in the target SAP system.
  
  Configuration Issues: The company code may not be properly configured to recognize or process the legacy contract numbers.
  Mapping Errors: There may be issues with the mapping of legacy data to the new system, leading to unexpected contract numbers being referenced.
  Missing Data: The contract number may not exist in the target system, or there may be missing entries in the migration data.
  
  
  Solution:
  
  Data Validation: Check the legacy data for