How To Fix SO651 - <&> already exists in the recipient list

SAP Error Message - Details

• Message type: E = Error

• Message class: SO - SAPoffice: message texts

• Message number: 651

• Message text: <&> already exists in the recipient list

What causes this issue?

A recipient was entered twice (for example, once with the address name
and once with the SAPoffice name).

System Response

The system removes the duplicate entry.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SO651 - <&> already exists in the recipient list ?

  The SAP error message SO651 indicates that there is an issue with the recipient list in the context of sending emails or notifications. Specifically, it means that the recipient you are trying to add to the list already exists in that list. This can occur in various scenarios, such as when sending emails through SAP Business Workflow, SAPscript, or Smart Forms.
  Cause:
  
  Duplicate Recipient: The primary cause of this error is that the recipient (email address or user ID) you are trying to add is already included in the recipient list.
  Workflow Configuration: In workflows, if the same user is assigned multiple times to a task or notification, this error can occur.
  Programmatic Issues: If you are using custom code or programs to send emails, there may be logic that does not check for existing recipients before adding them.
  
  Solution:
  
  Check Recipient List: Review the recipient list to ensure that you are not trying to add a duplicate entry. Remove any duplicates if necessary.
  Modify Workflow: If this error arises from a workflow, check the workflow configuration to ensure that users are not assigned multiple times to the same task.
  Custom Code Review: If you are using custom ABAP code to send emails, ensure that your code includes logic to check for existing recipients before adding them to the list.
  Use Unique Identifiers: When adding recipients programmatically, consider using unique identifiers or flags to prevent duplicates.
  Error Handling: Implement error handling in your code to gracefully manage situations where a duplicate recipient is detected.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific patches or updates related to this error message. Sometimes, SAP provides fixes or workarounds for known issues.
  Documentation: Review SAP documentation related to email sending, workflows, and recipient management for best practices.
  Community Forums: Engage with SAP community forums or support channels to see if others have encountered and resolved similar issues.
  
  By following these steps, you should be able to resolve the SO651 error and ensure that your recipient list is managed correctly.