Fix #428: NRE in UpdateAllVesselData in sandbox mode

Author: JonnyOThan

CHANGELOG.md

@@ -6,6 +6,9 @@
 - Fixed usages of .material in favor of .sharedMaterial (thanks @Gameslinx)
 - Fixed some incorrect .cfg syntax (thanks @HebaruSan)
 - Improved Russian localization (thanks @Sooll3)
+- Fixed missing vessel icons and visual map mode in RPM MFDs (thanks @vulkans22)
+- Fixed NRE when loading a sandbox game
+- Fixed NRE when loading a vessel with a running narrow band scanner
 
 
 ## 20.4 - 2020-9-9

SCANsat/SCANutil.cs

@@ -1080,6 +1080,11 @@ internal static CelestialBody getTargetBody(MapObject target)
 
 		internal static void UpdateAllVesselData(Vessel v)
 		{
+			if (ResearchAndDevelopment.Instance == null)
+			{
+				return;
+			}
+
 			List<ScienceData> data = new List<ScienceData>();
 
 			var science = v.FindPartModulesImplementing<IScienceDataContainer>();