if (!defined('_PS_PRICE_DISPLAY_PRECISION_')) { define('_PS_PRICE_DISPLAY_PRECISION_', 6); }
<br />
<b>Fatal error</b>:  Uncaught Error: Undefined constant &quot;_PS_PRICE_DISPLAY_PRECISION_&quot; in /media/monouso.shop/website/modules/paypalwithfee/paypalwithfee.php:45
Stack trace:
#0 [internal function]: Paypalwithfee-&gt;__construct()
#1 /media/monouso.shop/website/src/Core/Foundation/IoC/Container.php(124): ReflectionClass-&gt;newInstance()
#2 /media/monouso.shop/website/src/Core/Foundation/IoC/Container.php(154): PrestaShop\PrestaShop\Core\Foundation\IoC\Container-&gt;makeInstanceFromClassName('paypalwithfee', Array)
#3 /media/monouso.shop/website/src/Core/Foundation/IoC/Container.php(167): PrestaShop\PrestaShop\Core\Foundation\IoC\Container-&gt;doMake('paypalwithfee', Array)
#4 /media/monouso.shop/website/src/Adapter/ServiceLocator.php(70): PrestaShop\PrestaShop\Core\Foundation\IoC\Container-&gt;make('paypalwithfee')
#5 /media/monouso.shop/website/classes/module/Module.php(1389): PrestaShop\PrestaShop\Adapter\ServiceLocator::get('paypalwithfee')
#6 /media/monouso.shop/website/classes/module/Module.php(1368): ModuleCore::coreLoadModule('paypalwithfee')
#7 /media/monouso.shop/website/classes/Hook.php(1109): ModuleCore::getInstanceByName('paypalwithfee')
#8 /media/monouso.shop/website/classes/controller/FrontController.php(621): HookCore::exec('displayHeader')
#9 /media/monouso.shop/website/controllers/front/listing/ManufacturerController.php(98): FrontControllerCore-&gt;initContent()
#10 /media/monouso.shop/website/classes/controller/Controller.php(328): ManufacturerControllerCore-&gt;initContent()
#11 /media/monouso.shop/website/classes/Dispatcher.php(488): ControllerCore-&gt;run()
#12 /media/monouso.shop/website/index.php(86): DispatcherCore-&gt;dispatch()
#13 {main}
  thrown in <b>/media/monouso.shop/website/modules/paypalwithfee/paypalwithfee.php</b> on line <b>45</b><br />