php - Internal server error while executing insert query in laravel -

so, have started out laravel. trying create create task api, save data database.

this routes.php

route::any('/createticket', 'clientscontroller@store'); 

this controllers code(clientscontroller):

public function store(request $request)     {         echo "abc";         //exit();         $input = $request->all('client_name', 'client_state');         clients::storeclientdetails($input);         print_r($input);     } 

this models code(clients):

public static function storeclientdetails($data){          echo "stor";         $id = db::table('client_details')->insertgetid($data);         print_r($data);         print_r($id);     } 

i data store function. but, nothing saved in database.

what exact issue here???