fixed crash when trying to create a scene after closing project exporter

editor/src/export.rs

@@ -36,6 +36,7 @@ use crate::{
  Message,
 };
 use cargo_metadata::{camino::Utf8Path, Metadata};
+use fyrox::graph::SceneGraph;
 use std::{
  ffi::OsStr,
  fmt::{Display, Formatter},
@@ -1063,16 +1064,14 @@ impl ExportWindow {
  }
 
  pub fn sync_to_model(&self, ui: &mut UserInterface) {
- let ctx = ui
- .node(self.inspector)
- .cast::<Inspector>()
- .unwrap()
- .context()
- .clone();
-
- if let Err(sync_errors) = ctx.sync(&self.export_options, ui, 0, true, Default::default()) {
- for error in sync_errors {
- Log::err(format!("Failed to sync property. Reason: {:?}", error))
+ if let Some(inspector) = ui.try_get_of_type::<Inspector>(self.inspector) {
+ let ctx = inspector.context().clone();
+ if let Err(sync_errors) =
+ ctx.sync(&self.export_options, ui, 0, true, Default::default())
+ {
+ for error in sync_errors {
+ Log::err(format!("Failed to sync property. Reason: {:?}", error))
+ }
  }
  }
  }