We are aware of the bug which can be seen when you are playing with a not-ideal internet connection. This bug can cause loaded wrong level/XP or missing weapons in the Inventory.
1. To fix this error you have to do just one step. In the main menu search for the refresh button located in the top right corner (small circle with arrow)

2. The main menu will be refreshed, check the level/XP or inventory. If the problem still occurs, refresh it again. If the problem does not disappear after 5 tries, contact us on jurajhusek.gamestudio@gmail.com or on our Discord server.