Fatal Error Additional Discount in Admin

[ableier]

Suddenly I have a fatal error when adding an additional discount to an order in the back office.  I'm not sure what has happened as I've never had an issue before.

 

(1/1) ContextErrorException

Warning: "continue" targeting switch is equivalent to "break". Did you mean to use "continue 2"?

in UnitOfWork.php line 2636at ErrorHandler->handleError(2, '"continue" targeting switch is equivalent to "break". Did you mean to use "continue 2"?', '/home3/fmgwebco/public_html/howardhanna/vendor/doctrine/orm/lib/Doctrine/ORM/UnitOfWork.php', 2636, array('class' => 'Doctrine\\ORM\\UnitOfWork', 'e' => 32767, 'file' => '/home3/fmgwebco/public_html/howardhanna/vendor/composer/../doctrine/orm/lib/Doctrine/ORM/UnitOfWork.php', 'wasCached' => false))in DebugClassLoader.php line 144at require()in DebugClassLoader.php line 144at DebugClassLoader->loadClass('Doctrine\\ORM\\UnitOfWork')at spl_autoload_call('Doctrine\\ORM\\UnitOfWork')in EntityManager.php line 160at EntityManager->__construct(object(Connection), object(Configuration), object(ContainerAwareEventManager))in EntityManager.php line 850at EntityManager::create(object(Connection), object(Configuration))in appDevDebugProjectContainer.php line 1311at appDevDebugProjectContainer->getDoctrine_Orm_DefaultEntityManagerService()in Container.php line 306at Container->get('doctrine.orm.default_entity_manager')in ManagerRegistry.php line 48at ManagerRegistry->getService('doctrine.orm.default_entity_manager')in AbstractManagerRegistry.php line 231at AbstractManagerRegistry->getManagers()in ProxyCacheWarmer.php line 49at ProxyCacheWarmer->warmUp('/home3/fmgwebco/public_html/howardhanna/var/cache/dev')in CacheWarmerAggregate.php line 52at CacheWarmerAggregate->warmUp('/home3/fmgwebco/public_html/howardhanna/var/cache/dev')in Kernel.php line 680at Kernel->initializeContainer()in Kernel.php line 135at Kernel->boot()in Kernel.php line 195at Kernel->handle(object(Request), 1, false)in index.php line 88

 

Any help or insight would be greatly appreciated.

[ableier]

Anyone able to help?  Thanks.

[kulagin]

If this problem actuality now. 
You can try will change version PHP to 7.1

[wiros]

Same issue in PS 1.7.7.1. Did someone found a solution?

[knacky]

Prestashop 1.7.7.x supports PHP versions 7.1 to 7.3.
PHP 7.3 is the recommended version.
You need to change the PHP version on your web hosting.

https://devdocs.prestashop.com/1.7/basics/installation/system-requirements/