Looks like the trainer might have an issue, put your findings in an update request so it can be looked into.
General reminder that posts with issues here and not update requests don't get looked at. Help yourselves and others by putting in that update request if the trainer is running into issues.
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Fixed and will be posted later.
The one you found most likely is just visual and it's the result of storage calculations.
As for the unlimited resources options you must have at least 1 wood or stone to make it work and this might not work without having storages so make sure build storages and harvest some stone or cut some trees to make it work.