Hi there Usual. Sorry about this. We have had an ongoing problem with this. There seems to be an issue with using things like emojis in PMs occasionally. Do you want to give it a go without them, if that's the case and let us know how you get on? Alternatively, if you could send us the text you're trying to PM via our contactus email, we can pass it to Tech to see if they can work out what's causing the problem. Apologies again.