Error: Class 'Gtm_DataLayer' not found in /vol/site/current/modules/cdc_googletagmanager/cdc_googletagmanager.php:160
Stack trace:
#0 [internal function]: cdc_googletagmanager->__construct()
#1 /vol/site/current/src/Core/Foundation/IoC/Container.php(123): ReflectionClass->newInstance()
#2 /vol/site/current/src/Core/Foundation/IoC/Container.php(153): PrestaShop\PrestaShop\Core\Foundation\IoC\Container->makeInstanceFromClassName('cdc_googletagma...', Array)
#3 /vol/site/current/src/Core/Foundation/IoC/Container.php(166): PrestaShop\PrestaShop\Core\Foundation\IoC\Container->doMake('cdc_googletagma...', Array)
#4 /vol/site/current/src/Adapter/ServiceLocator.php(65): PrestaShop\PrestaShop\Core\Foundation\IoC\Container->make('cdc_googletagma...')
#5 /vol/site/current/classes/module/Module.php(1191): PrestaShop\PrestaShop\Adapter\ServiceLocator::get('cdc_googletagma...')
#6 /vol/site/current/classes/module/Module.php(1170): ModuleCore::coreLoadModule('cdc_googletagma...')
#7 /vol/site/current/classes/Hook.php(921): ModuleCore::getInstanceByName('cdc_googletagma...')
#8 /vol/site/current/classes/controller/FrontController.php(598): HookCore::exec('displayHeader')
#9 /vol/site/current/classes/controller/ModuleFrontController.php(77): FrontControllerCore->initContent()
#10 /vol/site/current/modules/ybc_blog/controllers/front/blog.php(48): ModuleFrontControllerCore->initContent()
#11 /vol/site/current/classes/controller/Controller.php(306): Ybc_blogBlogModuleFrontController->initContent()
#12 /vol/site/current/classes/Dispatcher.php(525): ControllerCore->run()
#13 /vol/site/current/index.php(42): DispatcherCore->dispatch()
#14 {main}