How To Fix THM_CENTRAL513 - External key must not start with '&1'

SAP Error Message - Details

• Message type: E = Error

• Message class: THM_CENTRAL - Central messages for E-HA

• Message number: 513

• Message text: External key must not start with '&1'

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 THM_CENTRAL513 - External key must not start with '&1' ?

  The SAP error message THM_CENTRAL513 indicates that an external key you are trying to use starts with an invalid character, specifically &1. This error typically arises in the context of SAP's handling of external keys, which are often used in various modules for identification purposes.
  Cause:
  The error occurs because the external key you are trying to create or use does not conform to the naming conventions or restrictions set by SAP. In this case, the key is starting with a character that is not allowed (in this case, &1).
  Solution:
  To resolve this error, you should:
  
  
  Check the External Key: Review the external key you are trying to use. Ensure that it does not start with the invalid character &1. 
  
  
  Modify the Key: If the key does start with &1, change it to start with a valid character. Typically, external keys should start with alphanumeric characters (letters or numbers) and should not contain special characters that are not allowed.
  
  
  Validation: After modifying the key, validate it to ensure it meets all the requirements set by the SAP system.
  
  
  Documentation: Refer to the SAP documentation or guidelines for naming conventions related to external keys in the specific module you are working with. This can provide additional insights into what characters are allowed.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific updates or patches related to this error message. Sometimes, there may be known issues or additional guidance provided by SAP.
  Transaction Codes: If you are working within a specific transaction, ensure that you are following the correct procedures for that transaction.
  Community Forums: Consider searching or posting in SAP community forums or support channels for additional help from other users who may have encountered the same issue.
  
  By following these steps, you should be able to resolve the error and successfully use the external key in your SAP environment.