Unable to post

What wrong with this post below?

I get "You have included content in your post that is not permitted."

Make sure your iPad Wi-Fi is connected and working

Sign in with your Apple ID

Make sure your iPad Wi-Fi is connected and working

Sign in with your Apple ID

Turn on iMessage

Go to the Settings app  on your iPad.

Tap Apps, then tap Messages.

Turn on iMessage.

To select which of your phone numbers and email addresses you want to use with iMessage, tap Send & Receive, then choose from the available options below “You can receive iMessages to and reply from.”

Learn more about iMessage.