How To Fix SBCOMS503 - Recipient &1 is unknown

SAP Error Message - Details

• Message type: E = Error

• Message class: SBCOMS - Messages for Business Communication Services

• Message number: 503

• Message text: Recipient &1 is unknown

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 SBCOMS503 - Recipient &1 is unknown ?

  The SAP error message SBCOMS503 with the description "Recipient &1 is unknown" typically occurs in the context of SAP Business Communication Services (BCS) or when sending emails through the SAP system. This error indicates that the system cannot identify the recipient specified in the communication process.
  Causes:
  
  Invalid Email Address: The recipient's email address may be incorrectly formatted or does not exist in the system.
  Missing Recipient in Address Book: The recipient may not be defined in the SAP address book or the relevant communication directory.
  Configuration Issues: There may be issues with the configuration of the email sending settings in SAP.
  User Authorization: The user attempting to send the email may not have the necessary authorizations to send emails to the specified recipient.
  Recipient Type: The recipient type may not be supported or recognized by the system (e.g., using a non-standard recipient type).
  
  Solutions:
  
  Check Email Address: Verify that the email address of the recipient is correct and properly formatted. Ensure there are no typos or missing components (e.g., '@domain.com').
  Add Recipient to Address Book: If the recipient is not in the SAP address book, add them. You can do this by navigating to the relevant transaction (e.g., SO10 for text management) and ensuring the recipient is defined.
  Review Configuration: Check the configuration settings for email sending in transaction SCOT (SAPconnect). Ensure that the SMTP settings are correctly configured and that the email server is reachable.
  Check Authorizations: Ensure that the user has the necessary authorizations to send emails. This can be checked in transaction SU53 after the error occurs.
  Use Valid Recipient Types: Ensure that the recipient type being used is valid and recognized by the system. For example, ensure you are using a valid email address format.
  
  Related Information:
  
  Transaction Codes: 
  
  SCOT: For configuring SAPconnect settings.
  SOST: To check the status of sent emails.
  SU53: To analyze authorization issues.
  
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Documentation: Review SAP documentation related to Business Communication Services and email configuration for further insights.
  
  If the issue persists after trying the above solutions, consider reaching out to your SAP Basis team or SAP support for further assistance.