I had a small "incident" in my oil biome, and the cooling chamber broke under pressure. And so all the farm tiles.
But, from this moment, it became impossible for dupes to walk on these tiles, even after being repaired.
As you can see below, the duplicant can't go on the first tile.
I need to destroy it and rebuild so that he accept to walk on.
Steps to Reproduce
Have a farm tile destroy by overpressured liquid
This issue has not been confirmed by a developer yet.