How To Fix CNV_PE_S4020 - Base UOMs are different in Source and Target systems

CNV_PE_S4020 - Overview

• Message type: E = Error

• Message class: CNV_PE_S4 - Messages for Posting Engine S/4 Content

• Message number: 020

• Message text: Base UOMs are different in Source and Target systems

Self-Explanatory Message

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CNV_PE_S4020 - Details

• The SAP error message CNV_PE_S4020 indicates that there is a mismatch in the Base Unit of Measure (UOM) between the source and target systems during a data migration or conversion process. This error typically arises in scenarios involving data transfer, such as during a system upgrade, data migration, or when using SAP's Conversion Tools.
  
  Cause:
  The primary cause of this error is that the Base UOM defined for a material or product in the source system does not match the Base UOM defined for the same material or product in the target system. This can happen due to:
  
  Different UOM Configurations: The source and target systems may have different configurations for the same material, leading to discrepancies in the Base UOM.
  Data Migration Issues: During data migration, if the mapping of UOMs is not correctly defined, it can lead to mismatches.
  Custom UOMs: If custom UOMs are used in one system and not in the