Because 50 weeks have to of passed on your game.go to your house and speak to your dad.he will give you a ticket to go to space.then go to the space station and u can go up to space.while you are there you can catch latios and latias but they are extremely hard to find.
It does let you transfer if you do it right.
Pokénerd
Go to mt. Ember in island 1 and beat the elite four and the to guys will battle you and if you win a cave will pop up , wich leads to the ruby
You have to migrate six Pokemon from ruby, sapphire, or emerald in order to get into pal park. (after the national dex) Get the national dex. (before the national dex)
you can only have Pokemon follow you in Pokemon dpptHGSS and yellow.
you have to beat the elite four and become the champion of the world and help neal by giving him a ruby or saphire or what ever it is, then surf over to the guy at the entrance and if he still wont let you in then he should tell you what you need to do so do it and then come back and if he STILL wont let you in then he is a retard!
cheater
It is possible you are trying to trade Pokemon from the hoenn region (ruby, sapphire, emerald) onto firered/ leafgreen. This is not possible until have done a certain thing. The other possibility is that you need at least 2 Pokemon to trade.
no theres not the only thing you can do with Pokemon ruby, sapphire,emreald, firered and leafgreen is you can migrate Pokemon on there but you can never get them back on uroringil ame like ruby and sapphire and so on
Make them eat berries and don't let them faint in battles.
diglett and dugtrio wont let u run unless ur ability is levitate or u r flying type. wild Pokemon who have higher level than you wont let u escape either.
Bring different Pokemon