u

app/Http/Controllers/admin/Keyboard.php

@@ -99,9 +99,10 @@ class Keyboard extends Controller
                 'reply' => 'required|string',
                 'explain' => 'nullable|string',
                 'language' => 'required|string',
-                'reply' => 'required|string',
                 'image' => ['nullable', 'url'],
                 'buttons' => ['array'],
+                'button.*' => ['array', 'min:1'],
+                'button.*.*.text' => ['required', 'string', 'min:1'],
             ];
             if (empty($id)) {
                 unset($validator['id']);