User blog comment:Otakueisama/API insecure?/@comment-106.69.122.9-20140515180959/@comment-24333595-20140516004723

I asked this

What did you mean by " I have never logged onto dmm and switched to a new API"?

because, you shouldnt be able to play the game after the end of spring event update by default without one of the following.


 * obtain a new API

If you are able to play the game without obtaining a new API or clearing cache, then it might be an issue with API as Kouma said.
 * clear game cache