Hello, the security code issue in version 13.6

[Baba-yaga19]

The problem was resolved until a new participant was added to the group, and errors like these appeared.
Failed to send (some) messages:
*************************************=: Network failure for "e15f50fb-a17f-4ab5-8712-b9ca7e50d888"
*************************************=: Untrusted Identity for "7418bcef-409d-4434-a74b-07274ce6e51f"
1726238315479

I do not have access to the users who are added to the group