Upgrading smeltery to tier 4, accidentally broke de main block (the smeltery block itself), and the builder stop placing blocks. After that I placed the smeltery block again and restart the build from tier 0 to tier 1. It was going good until to upgrade to tier 4 again and the builder stop placing block exactly where stops earlier. Looking in town hall work orders, shows two order for the same building (upgrade to tier 1 and tier 4) and cant cancel any.
There is some comand to solve this?

PD: I dont have any problems to upgrade or build other buildings.

Thanks!

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