How To Fix UD163 - Conversion of entity type & from & to & ambiguous

UD163 - Overview

• Message type: E = Error

• Message class: UD - EDM - Enterprise Data Model

• Message number: 163

• Message text: Conversion of entity type & from & to & ambiguous

What causes this issue?

The conversion of the old attributes in the new fields
is ambiguous. The old attributes contain
contradictory entries.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

The conversion has made a proposal. Check in the Data Modeler after the
Put that the attributes of the specified entity type
(field A) are as you want them.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message UD163 - Conversion of entity type & from & to & ambiguous ?

  The SAP error message UD163, which states "Conversion of entity type & from & to & ambiguous," typically occurs in the context of data conversion or transformation processes within SAP systems, particularly when dealing with entity types in data models or data migration scenarios.
  
  Cause:
  The error is generally caused by one of the following issues:
  
  
  Ambiguous Mapping: There may be multiple mappings or definitions for the same entity type in the source and target systems, leading to confusion about which mapping to use for conversion.
  
  
  Inconsistent Data Models: The data models in the source and target systems may not align properly, causing ambiguity in how data should be converted.
  
  
  Duplicate Definitions: There could be duplicate definitions of the entity type in the system, which confuses the conversion logic.
  
  
  
  Configuration Issues: Incorrect configuration settings in the data conversion or migration tools can lead to this error.
  
  
  
  Solution:
  To resolve the UD163 error, you can take the following steps:
  
  
  Check