Rubiera,
did you complete the trade? Did you just catch your Kadabra (Cerulean Cave for example)?
No I won that Kadabra trading with a person the Kadabra lvl 58 and I give to him a Snorlax.
thats all right, but the problem come when i try to trade my Kadabra to evolve to Alakazam, so i trade and accept the trade with another player in the poke center of Saffron City, but the issue was that i trade the kadabra and the other player didnt offer nothing but we accept the trade, and just in that moment the game send me out and i start in the login screen so i log in and look that my kadabra wasnt on my team and not in my pc and the other player didnt have it too.