Duplicate: Black Column in Research Tree

[RodimusPrime]

I am in the Comtemporary age. and left with one technology to upgrade, but in the newly layout research tree..
I got a black column.. and clueless what should i do..

Player: MightyMouse0930

 

[Emberguard]

@RodimusPrime is it doing that today?

Is chrome upto date?
When was the last time you cleared the cache and cookies?

 

[Andi47]

Why do I not see this? I see still the old layout of the tech tree....

 

[Dudettas]

It was linked to the existing Research Tree issues we were encountering, please could you confirm if it is still occurring?