diff --git a/omnigibson/object_states/particle_modifier.py b/omnigibson/object_states/particle_modifier.py
index 70e440d82..8f61fc1cd 100644
--- a/omnigibson/object_states/particle_modifier.py
+++ b/omnigibson/object_states/particle_modifier.py
@@ -1485,7 +1485,9 @@ def systems_to_check(self):
     @property
     def projection_is_active(self):
         # Only active if the projection mesh is enabled
-        return self.projection_emitter.GetProperty("inputs:active").Get()
+        return (
+            self.projection_emitter.GetProperty("inputs:active").Get() if self.projection_emitter is not None else False
+        )
 
     @classproperty
     def metalink_prefix(cls):
diff --git a/omnigibson/prims/xform_prim.py b/omnigibson/prims/xform_prim.py
index 27f71f8f0..8c5b36166 100644
--- a/omnigibson/prims/xform_prim.py
+++ b/omnigibson/prims/xform_prim.py
@@ -236,9 +236,6 @@ def set_position_orientation(
             xformable_prim = lazy.usdrt.Rt.Xformable(
                 lazy.omni.isaac.core.utils.prims.get_prim_at_path(self.prim_path, fabric=True)
             )
-            assert (
-                not xformable_prim.HasWorldXform()
-            ), "Fabric's world pose is set for a non-rigid prim which is unexpected. Please report this."
             xformable_prim.SetLocalXformFromUsd()
 
     def get_position_orientation(self, frame: Literal["world", "scene", "parent"] = "world", clone=True):