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(1/1) ContextErrorException

Notice: Undefined variable: version

in StylesheetManager.php line 46
at StylesheetManager->add('theme-error', '/themes/warehouse/assets/css/error.css', 'all', 50, false, 'local')in StylesheetManager.php line 76
at StylesheetManagerCore->register('theme-error', '/assets/css/error.css', 'all', 50, false, 'local')in FrontController.php line 1088
at FrontControllerCore->registerStylesheet('theme-error', '/assets/css/error.css', array('media' => 'all', 'priority' => 50, 'inline' => false, 'server' => 'local'))in FrontController.php line 770
at FrontControllerCore->displayMaintenancePage()in FrontController.php line 493
at FrontControllerCore->init()in Controller.php line 287
at ControllerCore->run()in Dispatcher.php line 525
at DispatcherCore->dispatch()in index.php line 28