diff --git a/twake/backend/node/src/services/documents/services/index.ts b/twake/backend/node/src/services/documents/services/index.ts
index d3ab27dd7e..80b072b422 100644
--- a/twake/backend/node/src/services/documents/services/index.ts
+++ b/twake/backend/node/src/services/documents/services/index.ts
@@ -356,7 +356,7 @@ export class DocumentsService {
     //In the case of the trash we definitively delete the items
     if (id === "trash") {
       //Only administrators can execute this action
-      const role = await gr.services.companies.getUserRole(context.company.id, context.user.id);
+      const role = await gr.services.companies.getUserRole(context.company.id, context.user?.id);
       if (hasCompanyAdminLevel(role) === false) {
         throw new CrudException("Only administrators can empty the trash", 403);
       }
@@ -538,7 +538,7 @@ export class DocumentsService {
       ids,
       version_id: versionId,
       company_id: context.company.id,
-      user_id: context.user.id,
+      user_id: context.user?.id,
     });
   };
 
diff --git a/twake/backend/node/src/services/documents/utils.ts b/twake/backend/node/src/services/documents/utils.ts
index 0e796bdcae..6c320f6758 100644
--- a/twake/backend/node/src/services/documents/utils.ts
+++ b/twake/backend/node/src/services/documents/utils.ts
@@ -41,10 +41,10 @@ export const getDefaultDriveItem = (
   const defaultDriveItem = merge<DriveFile, Partial<DriveFile>>(new DriveFile(), {
     company_id: context.company.id,
     added: item.added || new Date().getTime().toString(),
-    creator: item.creator || context.user.id,
+    creator: item.creator || context.user?.id,
     is_directory: item.is_directory || false,
     is_in_trash: false,
-    last_user: item.last_user || context.user.id,
+    last_user: item.last_user || context.user?.id,
     last_modified: new Date().getTime().toString(),
     parent_id: item.parent_id || "root",
     root_group_folder: item.root_group_folder || "",
@@ -64,7 +64,7 @@ export const getDefaultDriveItem = (
           level: "none",
         },
         {
-          id: context.user.id,
+          id: context.user?.id,
           type: "user",
           level: "manage",
         },
@@ -109,7 +109,7 @@ export const getDefaultDriveItemVersion = (
 ): FileVersion => {
   const defaultVersion = merge(new FileVersion(), {
     application_id: version.application_id || "",
-    creator_id: version.creator_id || context.user.id,
+    creator_id: version.creator_id || context.user?.id,
     data: version.data || {},
     date_added: version.date_added || new Date().getTime(),
     file_id: version.file_id || "",
@@ -173,7 +173,7 @@ export const hasAccessLevel = (
 export const isCompanyGuest = async (context: CompanyExecutionContext): Promise<boolean> => {
   const userRole = await globalResolver.services.companies.getUserRole(
     context.company.id,
-    context.user.id,
+    context.user?.id,
   );
 
   return userRole === "guest";
@@ -188,7 +188,7 @@ export const isCompanyGuest = async (context: CompanyExecutionContext): Promise<
 export const isCompanyAdmin = async (context: CompanyExecutionContext): Promise<boolean> => {
   const userRole = await globalResolver.services.companies.getUserRole(
     context.company.id,
-    context.user.id,
+    context.user?.id,
   );
 
   return userRole === "admin";
@@ -386,7 +386,7 @@ export const getAccessLevel = async (
     const accessEntities = item.access_info.entities || [];
 
     //Users
-    const matchingUser = accessEntities.find(a => a.type === "user" && a.id === context.user.id);
+    const matchingUser = accessEntities.find(a => a.type === "user" && a.id === context.user?.id);
     if (matchingUser) return matchingUser.level;
 
     //Channels
diff --git a/twake/backend/node/src/services/documents/web/controllers/documents.ts b/twake/backend/node/src/services/documents/web/controllers/documents.ts
index 8406bd8a4a..d1903840f2 100644
--- a/twake/backend/node/src/services/documents/web/controllers/documents.ts
+++ b/twake/backend/node/src/services/documents/web/controllers/documents.ts
@@ -119,10 +119,12 @@ export class DocumentsController {
 
     return {
       ...(await globalResolver.services.documents.documents.get(id, context)),
-      websockets: globalResolver.platformServices.realtime.sign(
-        [{ room: `/companies/${context.company.id}/documents/item/${id}` }],
-        request.currentUser.id,
-      ),
+      websockets: request.currentUser?.id
+        ? globalResolver.platformServices.realtime.sign(
+            [{ room: `/companies/${context.company.id}/documents/item/${id}` }],
+            request.currentUser?.id,
+          )
+        : [],
     };
   };