-// Note to translators: error.no_login needs to be properly translated (e-mail replaced with login).
-// 'error.no_login' => 'uživatel s tímto e-mailem neexistuje',
-'error.upload' => 'chyba přenosu souboru',
+// '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' => 'Chyba přenosu souboru.',