How To Fix ISU_UMC_ODATA045 - The variant prefix &1 has been already used

ISU_UMC_ODATA045 - Overview

• Message type: E = Error

• Message class: ISU_UMC_ODATA - Message class for the Multichannel oData services

• Message number: 045

• Message text: The variant prefix &1 has been already used

Self-Explanatory Message

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ISU_UMC_ODATA045 - Details

• The SAP error message ISU_UMC_ODATA045 indicates that there is a conflict with the variant prefix being used in an OData service. Specifically, it means that the variant prefix you are trying to use has already been assigned or is already in use.
  
  Cause:
  
  Duplicate Variant Prefix: The most common cause of this error is that the variant prefix you are trying to create or use is already associated with another variant in the system.
  
  Configuration Issues: There may be issues in the configuration of the OData service or the way variants are being managed in the system.
  Data Consistency: There might be inconsistencies in the data or configuration that lead to the system recognizing the prefix as already in use.
  
  
  Solution:
  
  Check Existing Variants: Review the existing variants in the system to see if the prefix you are trying to use is already assigned. You can do this by navigating to the relevant transaction or configuration