How To Fix AH090 - Rate type &1 already exists

AH090 - Overview

• Message type: E = Error

• Message class: AH - IS-U billing (master data)

• Message number: 090

• Message text: Rate type &1 already exists

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message AH090 - Rate type &1 already exists ?

  The SAP error message AH090, which states "Rate type &1 already exists," typically occurs in the context of configuring or maintaining condition records in the SAP system, particularly in the area of pricing or cost calculations. This error indicates that you are trying to create a rate type that already exists in the system.
  
  Cause:
  
  Duplicate Entry: The most common cause of this error is that you are attempting to create a new rate type (identified by &1) that has already been defined in the system.
  
  Configuration Issues: There may be issues in the configuration settings where the system does not recognize the uniqueness of the rate type due to incorrect settings or data inconsistencies.
  Data Migration: If data has been migrated from another system, it is possible that duplicate entries were created during the migration process.
  
  
  Solution:
  
  
  Check Existing Rate Types: 
  
  Go to the relevant transaction (e.g., transaction code VK11 for creating condition records) and