How To Fix CNV_DMC_MC_EXCEPTION173 - &1-&2: Source field and target field have different lengths

CNV_DMC_MC_EXCEPTION173 - Overview

• Message type: E = Error

• Message class: CNV_DMC_MC_EXCEPTION - Exception texts of Migration Object Modeller

• Message number: 173

• Message text: &1-&2: Source field and target field have different lengths

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_DMC_MC_EXCEPTION173 - &1-&2: Source field and target field have different lengths ?

  The SAP error message CNV_DMC_MC_EXCEPTION173 indicates that there is a mismatch in the lengths of the source field and the target field during a data migration or conversion process. This typically occurs in the context of using the SAP Data Migration Cockpit (DMC) or similar tools when transferring data from one system to another.
  
  Cause:
  
  Field Length Mismatch: The source field in the original system has a different length than the corresponding target field in the destination system. For example, if the source field is defined as a VARCHAR(50) and the target field is defined as VARCHAR(30), this error will occur.
  Data Type Differences: Sometimes, the data types may also differ, which can lead to length issues. For instance, a numeric field in the source may be mapped to a character field in the target.
  
  Configuration Issues: Incorrect mapping configurations in the migration tool can lead to this error, especially if the mappings do