Invalid Character in team message

Hi, I am owning a team on lichess where most of its members are Iranian.

Sometimes, I want to send Persian messages to the entire team. However, when I write the message, lichess doesn't send that to all team members and says that the message contains invalid characters. What can I possibly do about this issue?

Thanks in Advance!

@MrKooshaJ most probably it's a bug., It happened to me as well

1: write the message in a note.
Make a screenshot
go to upload the screenshot and copy the link
in the message put the link
if you like send the link of the tournament, only copy and paste. @MrKooshaJ

Thanks a lot for the help @AaRaMk @MistakeCorrect