paint did have something wrong with it

[69chevytrucker]

so for a week now i thought i did something wrong with my prep for my paint guys on here said so too but a week later my paint still isnt hard so i can sand it down to re paint started looking at the paint supplies happen to notice the shop gave me the wrong kind of catylist my paint is now pretty much the texture of wax i can run my finger nail down it and it rolls right up really suck the big one... now i have to sand the whole truck down and start over bad thing is the paint mix was only used on the 3rd coat if i would have left it at 2 coats it would have looked great now looks like poop