Try #2236:

bevyengine · May 23, 2021 · 532195a · 532195a
2 parents 653c103 + 05f293b
commit 532195a
Showing 1 changed file with 6 additions and 2 deletions.
diff --git a/crates/bevy_ecs/src/system/commands.rs b/crates/bevy_ecs/src/system/commands.rs
@@ -338,7 +338,9 @@ where
     T: Bundle + 'static,
 {
     fn write(self: Box<Self>, world: &mut World) {
-        world.entity_mut(self.entity).insert_bundle(self.bundle);
+        if let Some(mut entity_mut) = world.get_entity_mut(self.entity) {
+            entity_mut.insert_bundle(self.bundle);
+        }
     }
 }
 
@@ -353,7 +355,9 @@ where
     T: Component,
 {
     fn write(self: Box<Self>, world: &mut World) {
-        world.entity_mut(self.entity).insert(self.component);
+        if let Some(mut entity_mut) = world.get_entity_mut(self.entity) {
+            entity_mut.insert(self.component);
+        }
     }
 }