1. Same building, word limit, color limit, expression limit. It is also possible that there are restrictive words in it. I suggest you try it several times. The addition of 1 is different every time.
It's your network problem. I've seen you in this situation, but you just need to try another computer.
View from a height or a distance
3. Your game network configuration file is damaged (this rarely happens, so you should download it again).