diff --git a/models/collaborative_area/collaborative_area.go b/models/collaborative_area/collaborative_area.go
index 2d883be..85b2454 100644
--- a/models/collaborative_area/collaborative_area.go
+++ b/models/collaborative_area/collaborative_area.go
@@ -83,9 +83,6 @@ func (ao *CollaborativeArea) VerifyAuth(request *tools.APIRequest) bool {
 				}
 			}
 		}
-		if ao.CreatorID == request.PeerID {
-			return true
-		}
 	}
 	return ao.AbstractObject.VerifyAuth(request)
 }
diff --git a/models/resources/workflow.go b/models/resources/workflow.go
index 7ffda78..b191958 100644
--- a/models/resources/workflow.go
+++ b/models/resources/workflow.go
@@ -26,9 +26,6 @@ func (r *WorkflowResource) GetType() string {
 func (d *WorkflowResource) Trim() {
 	/* EMPTY */
 }
-func (abs *WorkflowResource) VerifyAuth(request *tools.APIRequest) bool {
-	return true
-}
 func (w *WorkflowResource) SetAllowedInstances(request *tools.APIRequest) {
 	/* EMPTY */
 }
diff --git a/models/utils/common.go b/models/utils/common.go
index 4329c05..1637078 100644
--- a/models/utils/common.go
+++ b/models/utils/common.go
@@ -31,7 +31,7 @@ func GenericStoreOne(data DBObject, a Accessor) (DBObject, int, error) {
 		},
 	}
 	if a.ShouldVerifyAuth() && !data.VerifyAuth(a.GetRequest()) {
-		return nil, 403, errors.New("you are not allowed to access this collaborative area")
+		return nil, 403, errors.New("you are not allowed to access : " + a.GetType().String())
 	}
 	if cursor, _, _ := a.Search(&f, "", data.IsDrafted()); len(cursor) > 0 {
 		return nil, 409, errors.New(a.GetType().String() + " with name " + data.GetName() + " already exists")
@@ -52,14 +52,14 @@ func GenericStoreOne(data DBObject, a Accessor) (DBObject, int, error) {
 func GenericDeleteOne(id string, a Accessor) (DBObject, int, error) {
 	res, code, err := a.LoadOne(id)
 	if !res.CanDelete() {
-		return nil, 403, errors.New("you are not allowed to delete this collaborative area")
+		return nil, 403, errors.New("you are not allowed to delete :" + a.GetType().String())
 	}
 	if err != nil {
 		a.GetLogger().Error().Msg("Could not retrieve " + id + " to db. Error: " + err.Error())
 		return nil, code, err
 	}
 	if a.ShouldVerifyAuth() && !res.VerifyAuth(a.GetRequest()) {
-		return nil, 403, errors.New("you are not allowed to access this collaborative area")
+		return nil, 403, errors.New("you are not allowed to access " + a.GetType().String())
 	}
 	_, code, err = mongo.MONGOService.DeleteOne(id, a.GetType().String())
 	if err != nil {
@@ -78,12 +78,12 @@ func GenericUpdateOne(set DBObject, id string, a Accessor, new DBObject) (DBObje
 	}
 	ok, newSet := r.CanUpdate(set)
 	if !ok {
-		return nil, 403, errors.New("you are not allowed to delete this collaborative area")
+		return nil, 403, errors.New("you are not allowed to delete :" + a.GetType().String())
 	}
 	set = newSet
 	r.UpToDate(a.GetUser(), a.GetPeerID(), false)
 	if a.ShouldVerifyAuth() && !r.VerifyAuth(a.GetRequest()) {
-		return nil, 403, errors.New("you are not allowed to access this collaborative area")
+		return nil, 403, errors.New("you are not allowed to access :" + a.GetType().String())
 	}
 	change := set.Serialize(set) // get the changes
 	loaded := r.Serialize(r)     // get the loaded object
@@ -108,7 +108,7 @@ func GenericLoadOne[T DBObject](id string, f func(DBObject) (DBObject, int, erro
 	}
 	res_mongo.Decode(&data)
 	if a.ShouldVerifyAuth() && !data.VerifyAuth(a.GetRequest()) {
-		return nil, 403, errors.New("you are not allowed to access this collaborative area")
+		return nil, 403, errors.New("you are not allowed to access :" + a.GetType().String())
 	}
 	return f(data)
 }