App not assign epic building to create

Ya. They all are just stopped for some reason.  Thought maybe 120 epic building was the max or there was a bug 

I believe there's a max of 120 per type. So 120 bronze, 120 silver, 120 gold. 

It's too time-consuming to build an epic project.

In your city achievements where all your info is and get green cash for each step you pass, making suits, donuts etc epic buildings you need 500 to get the last 30 green cash. I’m at 260 epics in mine atm so no I do not believe it is capped. If it is capped then I will not attain 500 epic buildings at all.

i think you could keep going and get as many as you want to get over 500!

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Level 98 129 epic buildings

I have 159 epic buildings so no 120 cap 

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Are you making sure that eligible buildings are in the affected zone of one of the categories? I’m finding as I get to the point where the buildings are packed tight and sometimes your eligible buildings are just outside the green zone e. I e been having to temporarily move the epic eligible building to get it in the green zone.