Back office error HTTP ERROR 500 when open 1st time.

[anhth]

Hi, 

Im trying to install prestashop to my server, i use prestashop version 1.7.0.4, when installing has been finish, i open back office page and it show HTTP ERROR 500.

 i open error_log file it shows 

ContextErrorException in SmartyLazyRegister.php line 87:Warning: Missing argument 1 for SmartyLazyRegister::getInstance(), called in C:\xampp\htdocs\dtshop\modules\fieldsmartcodes\fieldsmartcodes.php on line 281 and defined

1. in SmartyLazyRegister.php line 87
2. at ErrorHandler->handleError('2', 'Missing argument 1 for SmartyLazyRegister::getInstance(), called in C:\xampp\htdocs\dtshop\modules\fieldsmartcodes\fieldsmartcodes.php on line 281 and defined', 'C:\xampp\htdocs\dtshop\classes\Smarty\SmartyLazyRegister.php', '87', array()) in SmartyLazyRegister.php line 87
3. at SmartyLazyRegister::getInstance() in fieldsmartcodes.php line 281
4. at FieldSmartCodes->_prepHook(array('cookie' => object(Cookie), 'cart' => object(Cart), 'altern' => '3')) in fieldsmartcodes.php line 293
5. at FieldSmartCodes->hookDisplayHeader(array('cookie' => object(Cookie), 'cart' => object(Cart), 'altern' => '3')) in Hook.php line 758
6. at HookCore::coreCallHook(object(FieldSmartCodes), 'hookdisplayHeader', array('cookie' => object(Cookie), 'cart' => object(Cart), 'altern' => '3')) in Hook.php line 723
7. at HookCore::exec('displayHeader') in FrontController.php line 528
8. at FrontControllerCore->initContent() in IndexController.php line 37
9. at IndexControllerCore->initContent() in Controller.php line 201
10. at ControllerCore->run() in Dispatcher.php line 366
11. at DispatcherCore->dispatch() in index.php line 28

how to fix it?

Edited May 29, 2017 by anhth (see edit history)

[eliran2]

Hi .

if you don't have any solution, disable debug mode in advanced parameters / performance and use prestashop but after finding solution repair it.