Food supply shows 0 months despite plenty of food and trash in new housing

Issue description

While playing the game for more than 1075 years with food supply of about 50 months all of the sudden a low food warning appeared. opening the food overview shows more than enough available in all produced foods (potato, veg and corn). started bread production, which increases in supply and consumption, but does not turn green as if satisfied. also the food indicator on top bar remains zero and people keep dying. In the proces of building I also build a new housing to my town, it is populated, but trash is piling up. But only in the new housing, all the other already existing housings. also the trash collection is empty (with the exception of trash being transported out with conveyor.
save game reload no help
game (program) restart no help
added save file "golden peak" wich has error and an autosave from 30 minutes earlier without the error.

Reproduction steps

1. load attached game
2. check food stored in food markets vs food supply in top bar

Game version and build number

update 1 v0.5.5d (b259)

Operating system

Windows

Attachments

The Golden Peak.save
23-12-30_19-15-autosave-paused.save

Files not imported: The Golden Peak.save, 23-12-30_19-15-autosave-paused.save

problem found. housing was copied and pasted but 1 block apart, so not connected... so user error