YYF Die Nasty Axle Help. NEED ASAP!

So today, i was very happy because i recieved by yyf die nasty. but when i was going to put the string in i noticed the axle was loose. How to fix ?

Need answers ASAP.

Mine was loose too (when I had it) just screw it together all the way and play

Is there anyway to fix it ? or just ignore it.

If its not affecting the play go with it my protostar axle was loose and i never had any problems