From de14e92720d3b4ae7c6f226a77eeb6245b9b466f Mon Sep 17 00:00:00 2001
From: Andrej730 <azhilenkov@gmail.com>
Date: Fri, 9 Aug 2024 17:13:50 +0500
Subject: [PATCH] poll message

---
 src/blenderbim/blenderbim/bim/module/bcf/operator.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/blenderbim/blenderbim/bim/module/bcf/operator.py b/src/blenderbim/blenderbim/bim/module/bcf/operator.py
index 5707c596bd..b30864f36c 100644
--- a/src/blenderbim/blenderbim/bim/module/bcf/operator.py
+++ b/src/blenderbim/blenderbim/bim/module/bcf/operator.py
@@ -445,7 +445,10 @@ class AddBcfViewpoint(bpy.types.Operator):
 
     @classmethod
     def poll(cls, context):
-        return context.scene.camera
+        if not context.scene.camera:
+            cls.poll_message_set("Scene has no active camera.")
+            return False
+        return True
 
     def execute(self, context):
         bcfxml = bcfstore.BcfStore.get_bcfxml()