The clientLog you uploaded, is it just a "I join the Server and spawn" Log or is this a log where you tried to open the menu?
I dont have any ideas more. My suggestion now is, go to the first step where everything worked and add the scripts step by step. MAKE BACKUPS!
If you added a new script and it doesnt work any more. You have the ProblemScript found 
Oh this is going to be fun 
Oh this is going to be fun
I could write now the default quote "It's Arma 3!" but nope.
I write "Welcome to Arma 3!".
What file is it to check what key is it combined to.
Sorry, here my highschool english ends. Can you explain it to me?
@Pac
In welcher Datei kann man gucken welche keys wozu gehören.
Er meint die fn_keyhandler
Its the fn_keyhandler.sqf where the keys are binded to the actions.
@Brandy1118 Which Map?
Fixed the issue, I just messed around with some of the housing files and yeah working now Thanks everyone for helping 
