How To Fix /SCMTMS/TC_RATES155 - Calculation base &1 already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCMTMS/TC_RATES -

• Message number: 155

• Message text: Calculation base &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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCMTMS/TC_RATES155 - Calculation base &1 already exists ?

  The SAP error message /SCMTMS/TC_RATES155 Calculation base &1 already exists typically occurs in the context of SAP Transportation Management (TM) when there is an attempt to create or modify a calculation base that already exists in the system. This error indicates that the system has detected a duplicate entry for the specified calculation base.
  Cause:
  
  
  Duplicate Entry: The most common cause of this error is that the calculation base you are trying to create or modify already exists in the system. This could happen if:
  
  You are trying to create a new calculation base with the same identifier as an existing one.
  There was a previous attempt to create the same calculation base that was not properly completed or was left in an inconsistent state.
  
  
  
  Data Consistency Issues: Sometimes, inconsistencies in the database or issues during data migration can lead to duplicate entries.
  
  
  Solution:
  
  
  Check Existing Calculation Bases:
  
  Navigate to the relevant transaction or table where calculation bases are maintained (e.g., /SCMTMS/TC_RATES).
  Search for the calculation base using the identifier &1 mentioned in the error message to confirm its existence.
  
  
  
  Modify or Delete Existing Entry:
  
  If the calculation base already exists and you need to make changes, consider modifying the existing entry instead of creating a new one.
  If the existing entry is no longer needed, you may delete it, provided that it does not affect other processes.
  
  
  
  Use Unique Identifiers:
  
  When creating new calculation bases, ensure that you are using unique identifiers to avoid conflicts with existing entries.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help resources related to Transportation Management and calculation bases for additional guidance on managing these entries.
  
  
  
  Check for System Notes or Updates:
  
  Sometimes, SAP releases notes or updates that address specific issues. Check the SAP Support Portal for any relevant notes that might pertain to this error.
  
  
  
  Contact SAP Support:
  
  If you are unable to resolve the issue, consider reaching out to SAP Support for assistance. Provide them with the error message and any relevant details about the actions you were performing when the error occurred.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes in SAP TM, such as /SCMTMS/TC_RATES for managing calculation bases.
  SAP Notes: Search for SAP Notes related to Transportation Management and calculation bases for any known issues or fixes.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the cause of the error and take appropriate action to resolve it.