fabricator not producing item at 100%

Youlittlet3ch

New Member
Dec 19, 2019
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this is on mac. I was spending ages collecting resources for my crafting base to make a big bertha cannon, but I then noticed that I had everything needed to build it and the fabricator said it had all of the components needed to craft it, but it didn't do anything. does anyone know what's happened?
 

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