How To Fix IST_TC813 - Telephone number does not exist in the business partner

IST_TC813 - Overview

• Message type: E = Error

• Message class: IST_TC - Telecom Classes

• Message number: 813

• Message text: Telephone number does not exist in the business partner

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 IST_TC813 - Telephone number does not exist in the business partner ?

  The SAP error message IST_TC813 indicates that a telephone number you are trying to use does not exist in the business partner's data. This error typically arises in scenarios where telephone numbers are required for communication or processing, such as in customer relationship management (CRM) or sales and distribution (SD) modules.
  
  Cause:
  
  Missing Telephone Number: The business partner (customer or vendor) does not have a telephone number assigned in their master data.
  Incorrect Business Partner: The business partner you are trying to reference may not be the correct one, or it may not be fully set up.
  Data Synchronization Issues: If the business partner data is synchronized from another system, there may be a delay or error in the data transfer.
  
  Configuration Issues: There may be configuration settings in the system that require a telephone number for certain transactions.
  
  
  Solution:
  
  
  Check Business Partner Data:
  
  Go to the transaction code BP (Business Partner) in SAP.
  Search for the relevant business