The tech tree is not available. Check that the current game state is not set to Sandbox mode.
NullReferenceException: Object reference not set to an instance of an object
at Assets.Scripts.Career.Research.UI.TechTreeUIScript.Start () [0x00115] in <d04d86762a5346fda9a60711fcd28d9f>:0
The game detects that it's in sandbox mode but there is still an error. The game goes through a bunch of loading screens then goes back to the main menu without a visible error message
Same for the career button (in the designer)
NullReferenceException: Object reference not set to an instance of an object
at Assets.Scripts.Menu.ListView.Career.ContractsViewModel+<LoadItems>d__1.MoveNext () [0x0003d] in <d04d86762a5346fda9a60711fcd28d9f>:0
at UnityEngine.SetupCoroutine.InvokeMoveNext (System.Collections.IEnumerator enumerator, System.IntPtr returnValueAddress) [0x00026] in <91d188b2486f48e5af8b4c4ebaf01b72>:0
NullReferenceException: Object reference not set to an instance of an object
at Assets.Scripts.Menu.ListView.Career.MilestonesViewModel+<LoadItems>d__2.MoveNext () [0x00047] in <d04d86762a5346fda9a60711fcd28d9f>:0
at UnityEngine.SetupCoroutine.InvokeMoveNext (System.Collections.IEnumerator enumerator, System.IntPtr returnValueAddress) [0x00026] in <91d188b2486f48e5af8b4c4ebaf01b72>:0
NullReferenceException: Object reference not set to an instance of an object
at Assets.Scripts.Menu.ListView.Career.ExplorationViewModel+<LoadItems>d__1.MoveNext () [0x00043] in <d04d86762a5346fda9a60711fcd28d9f>:0
at UnityEngine.SetupCoroutine.InvokeMoveNext (System.Collections.IEnumerator enumerator, System.IntPtr returnValueAddress) [0x00026] in <91d188b2486f48e5af8b4c4ebaf01b72>:0