diff --git a/pype/plugins/global/publish/integrate_new.py b/pype/plugins/global/publish/integrate_new.py
index e5d8007d70..6c89e22a83 100644
--- a/pype/plugins/global/publish/integrate_new.py
+++ b/pype/plugins/global/publish/integrate_new.py
@@ -440,6 +440,8 @@ class IntegrateAssetNew(pyblish.api.InstancePlugin):
         Returns:
             None
         """
+        src = os.path.normpath(src)
+        dst = os.path.normpath(dst)
 
         self.log.debug("Copying file .. {} -> {}".format(src, dst))
         dirname = os.path.dirname(dst)
diff --git a/pype/plugins/nuke/load/load_luts.py b/pype/plugins/nuke/load/load_luts.py
index 7e1302fffe..4f7c19a588 100644
--- a/pype/plugins/nuke/load/load_luts.py
+++ b/pype/plugins/nuke/load/load_luts.py
@@ -14,6 +14,7 @@ class LoadLuts(api.Loader):
     order = 0
     icon = "cc"
     color = style.colors.light
+    ignore_attr = ["useLifetime"]
 
     def load(self, context, name, namespace, data):
         """
@@ -83,6 +84,8 @@ class LoadLuts(api.Loader):
             for ef_name, ef_val in nodes_order.items():
                 node = nuke.createNode(ef_val["class"])
                 for k, v in ef_val["node"].items():
+                    if k in self.ignore_attr:
+                        continue
                     if isinstance(v, list) and len(v) > 4:
                         node[k].setAnimated()
                         for i, value in enumerate(v):
@@ -194,6 +197,8 @@ class LoadLuts(api.Loader):
             for ef_name, ef_val in nodes_order.items():
                 node = nuke.createNode(ef_val["class"])
                 for k, v in ef_val["node"].items():
+                    if k in self.ignore_attr:
+                        continue
                     if isinstance(v, list) and len(v) > 3:
                         node[k].setAnimated()
                         for i, value in enumerate(v):
diff --git a/pype/plugins/nuke/load/load_luts_ip.py b/pype/plugins/nuke/load/load_luts_ip.py
index b0a30d78e4..b30f84cc42 100644
--- a/pype/plugins/nuke/load/load_luts_ip.py
+++ b/pype/plugins/nuke/load/load_luts_ip.py
@@ -14,6 +14,7 @@ class LoadLutsInputProcess(api.Loader):
     order = 0
     icon = "eye"
     color = style.colors.alert
+    ignore_attr = ["useLifetime"]
 
     def load(self, context, name, namespace, data):
         """
@@ -83,6 +84,8 @@ class LoadLutsInputProcess(api.Loader):
             for ef_name, ef_val in nodes_order.items():
                 node = nuke.createNode(ef_val["class"])
                 for k, v in ef_val["node"].items():
+                    if k in self.ignore_attr:
+                        continue
                     if isinstance(v, list) and len(v) > 4:
                         node[k].setAnimated()
                         for i, value in enumerate(v):
@@ -196,6 +199,8 @@ class LoadLutsInputProcess(api.Loader):
             for ef_name, ef_val in nodes_order.items():
                 node = nuke.createNode(ef_val["class"])
                 for k, v in ef_val["node"].items():
+                    if k in self.ignore_attr:
+                        continue
                     if isinstance(v, list) and len(v) > 3:
                         node[k].setAnimated()
                         for i, value in enumerate(v):
diff --git a/pype/plugins/nuke/publish/validate_active_viewer.py b/pype/plugins/nuke/publish/validate_active_viewer.py
index bcf7cab6b3..618a7f1502 100644
--- a/pype/plugins/nuke/publish/validate_active_viewer.py
+++ b/pype/plugins/nuke/publish/validate_active_viewer.py
@@ -16,3 +16,9 @@ class ValidateActiveViewer(pyblish.api.ContextPlugin):
         assert viewer_process_node, (
             "Missing active viewer process! Please click on output write node and push key number 1-9"
         )
+        active_viewer = context.data["ActiveViewer"]
+        active_input = active_viewer.activeInput()
+
+        assert active_input is not None, (
+            "Missing active viewer input! Please click on output write node and push key number 1-9"
+        )