How To Fix SO677 - Recipient <&> cannot be added

SO677 - Overview

• Message type: E = Error

• Message class: SO - SAPoffice: message texts

• Message number: 677

• Message text: Recipient <&> cannot be added

What causes this issue?

You tried to copy a reply recipient to whom the original document was
sent via direct external transmission.

System Response

The system cannot enter the address in the recipient list.

How to fix this error?

Send the document to this recipient directly. To do this, enter his/her
address in the field <LS>Recipient</> or display the possible entries
using the F4 input help.

Error message extract from SAP system. Copyright SAP SE.

SO677 - Details

• The SAP error message SO677 indicates that a recipient cannot be added to a distribution list or a similar context, typically when dealing with SAP's office communication or workflow functionalities. This error can occur for various reasons, and understanding the cause is essential for finding a solution.
  Possible Causes:
  
  Invalid Recipient: The recipient you are trying to add may not exist in the system or may not be a valid user.
  User Status: The recipient's user status might be inactive or locked, preventing them from being added.
  Authorization Issues: The user attempting to add the recipient may not have the necessary authorizations to modify the distribution list or add recipients.
  Recipient Type: The recipient type may not be compatible with the context in which you are trying to add them (e.g., trying to add a non-user entity).
  Technical Issues: There may be underlying technical issues, such as database inconsistencies or system errors.
  
  Solutions:
  
  Verify Recipient Existence: Check if