Resolve "Getting a device from the file store system only works with ID"

Description

See #215 (closed)

controller/nucleus/errors/errors.go

@@ -24,11 +24,12 @@ func (e *ErrNil) Error() string {
 // ErrNotFound implements the Error interface and is called if a specific ID
 // of a storable item could not be found.
 type ErrNotFound struct {
-	ID interface{}
+	ID   interface{}
+	Name interface{}
 }
 
 func (e *ErrNotFound) Error() string {
-	return fmt.Sprintf("%v not found", e.ID)
+	return fmt.Sprintf("ID: %v or Name: %vnot found", e.ID, e.Name)
 }
 
 // ErrAlreadyExists implements the Error interface and is called if a specific ID