diff --git a/client/ayon_core/pipeline/load/utils.py b/client/ayon_core/pipeline/load/utils.py
index f3d39800cd..256ab5853b 100644
--- a/client/ayon_core/pipeline/load/utils.py
+++ b/client/ayon_core/pipeline/load/utils.py
@@ -1,9 +1,11 @@
 import os
+import uuid
 import platform
 import logging
 import inspect
 import collections
 import numbers
+from typing import Any
 
 import ayon_api
 
@@ -464,8 +466,13 @@ def update_container(container, version=-1):
 
     # Compute the different version from 'representation'
     project_name = get_current_project_name()
+    repre_id = container["representation"]
+    if not _is_valid_representation_id(repre_id):
+        raise ValueError(
+            f"Got container with invalid representation id '{repre_id}'"
+        )
     current_representation = ayon_api.get_representation_by_id(
-        project_name, container["representation"]
+        project_name, repre_id
     )
 
     assert current_representation is not None, "This is a bug"
@@ -817,6 +824,16 @@ def get_outdated_containers(host=None, project_name=None):
     return filter_containers(containers, project_name).outdated
 
 
+def _is_valid_representation_id(repre_id: Any) -> bool:
+    if not repre_id:
+        return False
+    try:
+        uuid.UUID(repre_id)
+    except (ValueError, TypeError, AttributeError):
+        return False
+    return True
+
+
 def filter_containers(containers, project_name):
     """Filter containers and split them into 4 categories.
 
@@ -852,7 +869,7 @@ def filter_containers(containers, project_name):
     repre_ids = {
         container["representation"]
         for container in containers
-        if container["representation"]
+        if _is_valid_representation_id(container["representation"])
     }
     if not repre_ids:
         if containers:
@@ -917,7 +934,7 @@ def filter_containers(containers, project_name):
     for container in containers:
         container_name = container["objectName"]
         repre_id = container["representation"]
-        if not repre_id:
+        if not _is_valid_representation_id(repre_id):
             invalid_containers.append(container)
             continue
 
diff --git a/client/ayon_core/tools/sceneinventory/model.py b/client/ayon_core/tools/sceneinventory/model.py
index 335df87b95..a40d110476 100644
--- a/client/ayon_core/tools/sceneinventory/model.py
+++ b/client/ayon_core/tools/sceneinventory/model.py
@@ -147,6 +147,7 @@ def refresh(self, selected=None):
         product_ids = {
             repre_info.product_id
             for repre_info in repre_info_by_id.values()
+            if repre_info.is_valid
         }
         version_items_by_product_id = self._controller.get_version_items(
             product_ids
@@ -227,12 +228,13 @@ def refresh(self, selected=None):
                 status_name
             )
 
+            repre_name = (
+                repre_info.representation_name or "<unknown representation>"
+            )
             container_model_items = []
             for container_item in container_items:
-                unique_name = (
-                    repre_info.representation_name
-                    + container_item.object_name or "<none>"
-                )
+                object_name = container_item.object_name or "<none>"
+                unique_name = repre_name + object_name
 
                 item = QtGui.QStandardItem()
                 item.setColumnCount(root_item.columnCount())
diff --git a/client/ayon_core/tools/sceneinventory/models/containers.py b/client/ayon_core/tools/sceneinventory/models/containers.py
index c3881ea40d..871455c96b 100644
--- a/client/ayon_core/tools/sceneinventory/models/containers.py
+++ b/client/ayon_core/tools/sceneinventory/models/containers.py
@@ -358,9 +358,20 @@ def _update_cache(self):
         container_items = []
         containers_by_id = {}
         container_items_by_id = {}
+        invalid_ids_mapping = {}
         for container in containers:
             try:
                 item = ContainerItem.from_container_data(container)
+                repre_id = item.representation_id
+                try:
+                    uuid.UUID(repre_id)
+                except (ValueError, TypeError, AttributeError):
+                    # Fake not existing representation id so container is shown in UI
+                    #   but as invalid
+                    item.representation_id = invalid_ids_mapping.setdefault(
+                        repre_id, uuid.uuid4().hex
+                    )
+
             except Exception as e:
                 # skip item if required data are missing
                 self._controller.log_error(