Fixed the interaction between the shopping cart and cashier at "Nice Price". Press Left Mouse Button while holding the shopping cart to open purchase window;
New trash bin.
However, the error, when trying to continue the game remains. There is a conflict in the save file. An alternative is to start a new game or save files save in a separate place, and delete the file MySaveGame_Level.sav in the directory \AppData\Local\LTL\Saved\SaveGames\MySaveGame. But this will lead to that all purchased objects will not be loaded, so in my opinion this option does not make sense.