Hey, I can not link my accounts?

I opened an account in SimplePlanes and raised some points, I mean I have developed. But when simple rockets 2 was released I opened another account which is same name with the old one. But now, I can not link accounts. Could you help me developers?
In SimplePlanes account, I have 114 points and it is enough for me to share images and clickable links. But now, I can't