Question:
How can I resolved this issue “Text#23 2021-10-26 12:39:46 (#100) Parameter error: You cannot send messages to this ID".
Answer:
This may mean a lot of things. But here are a few:
The user blocked your page which is why you cannot send a message to this specific user
Facebook blocked your page from sending to this user
The person you are trying to send a message is not available anymore