// 'error.task_exists' => 'Task with this name already exists.',
// 'error.client_exists' => 'Client with this name already exists.',
// 'error.invoice_exists' => 'Invoice with this number already exists.',
+// 'error.no_invoiceable_items' => 'There are no invoiceable items.',
+// 'error.no_login' => 'No user with this login.',
+// 'error.no_teams' => 'Your database is empty. Login as admin and create a new team.',
+// 'error.upload' => 'File upload error.',
+// 'error.range_locked' => 'Date range is locked.',
+// 'error.mail_send' => 'Error sending mail.',
// TODO: refactoring ongoing down from here.
-// 'error.no_login' => 'no user with this e-mail',
-// 'error.upload' => 'file upload error',
-// 'error.range_locked' => 'Date range is locked.',
-// 'error.mail_send' => 'error sending mail',
// 'error.no_email' => 'no email associated with this login',
// 'error.uncompleted_exists' => 'uncompleted entry already exists. close or delete it.',
// 'error.goto_uncompleted' => 'go to uncompleted entry.',