FriendsOfCADability
diff --git a/‎CADability/OctTree.cs‎
Lines changed: 1 addition & 1 deletion b/‎CADability/OctTree.cs‎
Lines changed: 1 addition & 1 deletion
@@ -456,7 +456,7 @@ internal void RemoveObject(TT objectToRemove)
             {
                 if (ppp == null)
                 {
-                    list.Remove(objectToRemove);
+                    list?.Remove(objectToRemove);
                 }
                 else
                 {
Original file line number	Diff line number	Diff line change
`@@ -456,7 +456,7 @@ internal void RemoveObject(TT objectToRemove)`
`456`	`456`	`{`
`457`	`457`	`if (ppp == null)`
`458`	`458`	`{`
`459`		`- list.Remove(objectToRemove);`
	`459`	`+ list?.Remove(objectToRemove);`
`460`	`460`	`}`
`461`	`461`	`else`
`462`	`462`	`{`