update code

app/Exceptions/ActionNotFound.php

@@ -0,0 +1,22 @@
+<?php
+
+namespace App\Exceptions;
+
+use Exception;
+
+class ActionNotFound extends Exception
+{
+    use \Prettus\Repository\Traits\Respondable;
+
+    /**
+     * Render an exception into an HTTP response.
+     *
+     * @param  \Illuminate\Http\Request  $request
+     * @param  \Throwable  $exception
+     * @return \Illuminate\Http\Response
+     */
+    public function render($request)
+    {
+        return $this->respondError('Action '. $this->getMessage() .' has not been defined.', 422);
+    }
+}