Colony Ship Problem

Lexxtra

Newcomer
I am trying to build a colony ship
MY Academy level is at 18 and the colony ship has been researched
My Harbor level is at 11
MY culture is 1/3 (but the wiki sez for the second city CP is not a factor)

In the harbor view the colony ship appears as researched
I have over 10000 of each resource but it won't allow me to build it sez: 0:10000

Population is at 477

what am I missing??
 
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