You need 2019.3 or newer version of engine. If you use newer versions (2020 and up), then you may need to fix some errors, due changes in Unity engine.
no i don't blame on your project that was made 5 years ago and now im installing 2019 from unity hub so 2019 unity can create desktop. anyways thanks now i can upload the build oh and problem is. is there enemy ai in this kit? if there arent enemy ai thats ok.
