Why am I unable to message with an account?

In a conversation with someone, it said "You are currently unable to message with this account"

1. They could've blocked you
2. Might be a bug
3. Their account could've been closed? (Don't really know about this one, but even then you should probably be able to see if their account is closed or not)

Maybe they blocked you?

How can someone block me and invite me to their club

and why would they do that

They most likely have their settings configured so that either nobody or only friends can message them.

1. If you were muted while this happened

2. If you were muted in the past and try to message someone who doesn't accept messages

3. They blocked u

4. They don't accept messages

5. Their account has been closed

Also sometimes if you try to send too many messages in a day it will show an error (don't know the exact name for it)

same happened to me/ I was so hurt

Hi