Thank you, I deleted the old version of the game and started the demo again :( There is no problem now, will there be problems when I get to that part? I wonder, but I don't think so :)
Viewing post in Z-Island UnrealEngine5 Demo comments
It's not, there 2 versions of ZIsland the UnrealEngine 4 version which is available here: https://gamingtalesstudio.itch.io/z-island
And an UnrealEngine 5 version (DEMO) which will contain more side quests content but less characters here: https://gamingtalesstudio.itch.io/z-island-demo =)