Search results for query: *

I tried searching up the item and clicking on other categories but it still doesn't show. When I do click on other categories it shows loading for a second and goes away. Researching new items will only cause those items to appear but not any of the previous items, and once I leave they...

I don't know if anyone else has this problem but whenever I leave the world/exit the game and then come back, all the items I researched disappear. However, it says that the item is researched