Can't walk on a repaired farm tile after it was broken

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.

Hygiea.sav