How To Fix CNV_20800178 - Check for customer number mapping:

CNV_20800178 - Overview

• Message type: E = Error

• Message class: CNV_20800 - Message class for CNV_20800

• Message number: 178

• Message text: Check for customer number mapping:

Self-Explanatory Message

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CNV_20800178 - Details

• The SAP error message CNV_20800178 typically relates to issues encountered during data migration or conversion processes, particularly in the context of customer number mapping. This error indicates that there is a problem with the mapping of customer numbers between the source and target systems during a data migration project, often using SAP's Conversion Tools.
  
  Cause:
  
  Missing Mapping Entries: The error may occur if there are missing entries in the mapping table that links source customer numbers to target customer numbers.
  Duplicate Customer Numbers: If there are duplicate customer numbers in the source system that do not have unique mappings in the target system, this can lead to conflicts.
  Incorrect Configuration: The configuration settings for the migration process may not be set up correctly, leading to issues in identifying or mapping customer numbers.
  Data Quality Issues: Inconsistencies or errors in the source data can also lead to mapping issues, such as incorrect formats or invalid customer