Missing stuff every log on- gold - empty stations - 
shadeflowers- brimstone - steel bars- witchpowder all gone
You’re going to have to be way more specific if you want actual answers to that, because that’s not a general issue at all.
I really don’t mean to be rude or anything, but are you sure you’re not just being robbed every night?
Do you play offline or online? If you loose your possessions in Single player then it’s a bug (never seen such bug by the way). If you play with another people then you have to put your stations and chests inside a strong house with locked doors. Robbery is legal in the Exiles Lands.