How To Fix AH090 - Rate type &1 already exists

SAP Error Message - Details

• 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

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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.

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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 check if the rate type already exists. You can do this by searching for the rate type in the condition records.
  
  
  
  Modify or Delete Existing Rate Type:
  
  If the rate type already exists and you need to make changes, consider modifying the existing entry instead of creating a new one.
  If the existing rate type is no longer needed, you may delete it if it is permissible based on your business processes.
  
  
  
  Use a Different Rate Type:
  
  If the existing rate type is valid and should remain in the system, consider using a different rate type for your new entry.
  
  
  
  Consult Documentation:
  
  Review the SAP documentation or configuration guides related to the specific module you are working with (e.g., SD, MM) to ensure you are following the correct procedures.
  
  
  
  Check for Data Consistency:
  
  If you suspect data migration issues, perform a data consistency check to identify and resolve any duplicates or inconsistencies in the database.
  
  
  
  Contact SAP Support:
  
  If you are unable to resolve the issue, consider reaching out to SAP support for assistance, especially if this is a recurring problem or if it affects critical business processes.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as VK11, VK12, and VK13 for managing condition records.
  Configuration Settings: Review the configuration settings in the SAP IMG (Implementation Guide) related to pricing and condition types.
  User Authorization: Ensure that you have the necessary authorizations to create or modify rate types in the system.
  
  By following these steps, you should be able to resolve the AH090 error and continue with your configuration or data entry tasks in SAP.