Why I can't go to the mission?

[GonbeTR]

Unfortunately I don't know japanase, can someone translate this for me please?

http://img.photobucket.com/albums/v292/GonbeTR/wrg-pdak_01.png

[captainj]

I don't know what it says but it also happened to me. In some quests, you are not allowed to go to the dungeon unless you have total 3 or less pokemon. Ask one of the pokemon to leave and then you can enter.

[GonbeTR]

Thank you, I have done it buy trying.