diff --git a/backend/open_webui/retrieval/utils.py b/backend/open_webui/retrieval/utils.py
index 69aee29ac2..08dcde34da 100644
--- a/backend/open_webui/retrieval/utils.py
+++ b/backend/open_webui/retrieval/utils.py
@@ -668,46 +668,51 @@ def get_sources_from_items(
                     collection_names.append(f"file-{item['id']}")
 
         elif item.get("type") == "collection":
-            if (
-                item.get("context") == "full"
-                or request.app.state.config.BYPASS_EMBEDDING_AND_RETRIEVAL
+            # Manual Full Mode Toggle for Collection
+            knowledge_base = Knowledges.get_knowledge_by_id(item.get("id"))
+
+            if knowledge_base and (
+                user.role == "admin"
+                or knowledge_base.user_id == user.id
+                or has_access(user.id, "read", knowledge_base.access_control)
             ):
-                # Manual Full Mode Toggle for Collection
-                knowledge_base = Knowledges.get_knowledge_by_id(item.get("id"))
-
-                if knowledge_base and (
-                    user.role == "admin"
-                    or knowledge_base.user_id == user.id
-                    or has_access(user.id, "read", knowledge_base.access_control)
+                if (
+                    item.get("context") == "full"
+                    or request.app.state.config.BYPASS_EMBEDDING_AND_RETRIEVAL
                 ):
+                    if knowledge_base and (
+                        user.role == "admin"
+                        or knowledge_base.user_id == user.id
+                        or has_access(user.id, "read", knowledge_base.access_control)
+                    ):
 
-                    file_ids = knowledge_base.data.get("file_ids", [])
+                        file_ids = knowledge_base.data.get("file_ids", [])
 
-                    documents = []
-                    metadatas = []
-                    for file_id in file_ids:
-                        file_object = Files.get_file_by_id(file_id)
+                        documents = []
+                        metadatas = []
+                        for file_id in file_ids:
+                            file_object = Files.get_file_by_id(file_id)
 
-                        if file_object:
-                            documents.append(file_object.data.get("content", ""))
-                            metadatas.append(
-                                {
-                                    "file_id": file_id,
-                                    "name": file_object.filename,
-                                    "source": file_object.filename,
-                                }
-                            )
+                            if file_object:
+                                documents.append(file_object.data.get("content", ""))
+                                metadatas.append(
+                                    {
+                                        "file_id": file_id,
+                                        "name": file_object.filename,
+                                        "source": file_object.filename,
+                                    }
+                                )
 
-                    query_result = {
-                        "documents": [documents],
-                        "metadatas": [metadatas],
-                    }
-            else:
-                # Fallback to collection names
-                if item.get("legacy"):
-                    collection_names = item.get("collection_names", [])
+                        query_result = {
+                            "documents": [documents],
+                            "metadatas": [metadatas],
+                        }
                 else:
-                    collection_names.append(item["id"])
+                    # Fallback to collection names
+                    if item.get("legacy"):
+                        collection_names = item.get("collection_names", [])
+                    else:
+                        collection_names.append(item["id"])
 
         elif item.get("docs"):
             # BYPASS_WEB_SEARCH_EMBEDDING_AND_RETRIEVAL