If I fell a tree in the maple forest I do not get any logs I do not know if that is the case in the other forests as well
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There is a small chance if you chopped a tree on a slope the logs may have fallen below the map. Try chopping different trees and you should be able to get wood. We will look into this bug as well.
that is not completely correct, it happens to me every third tree has now tried out the other forests, only as additional information