Help me make a chat app

hi guys i’m doing a chat program and i’m almost finished but the codes tell me there are 7 errors but i can’t find my mistakes i’m looking for someone to help me. please come back to me

Search community first before posting and We all are here for help you, Give your blocks.

What did you mean by the blocks?

Why not just tell what your problems are instead of asking if you can get some help? Show what you have done, what you are trying to achieve and what happens. I unlist this until you give more info.