Configuration Check error when ElasticSearch enabled

[Monica-Wood]

Version: 2.0 (Master branch)

When you go to the configuration check under administration and you are using elasticsearch as the searchengine, the following error is thrown:

Fatal error: Uncaught TypeError: array_key_exists(): Argument #2 ($array) must be of type array, Zend_Registry given in /var/www/providence/vendor/magento/zendframework1/library/Zend/Registry.php:207 Stack trace: #0 
/var/www/providence/vendor/magento/zendframework1/library/Zend/Registry.php(183): Zend_Registry->offsetExists() #1 
/var/www/providence/vendor/magento/zendframework1/library/Zend/Validate/Abstract.php(419): Zend_Registry::isRegistered() #2 
/var/www/providence/vendor/magento/zendframework1/library/Zend/Validate/Abstract.php(376): Zend_Validate_Abstract::getDefaultTranslator() #3 
/var/www/providence/vendor/magento/zendframework1/library/Zend/Validate/Abstract.php(218): Zend_Validate_Abstract->getTranslator() #4 
/var/www/providence/vendor/magento/zendframework1/library/Zend/Validate/Abstract.php(294): Zend_Validate_Abstract->_createMessage() #5 
/var/www/providence/vendor/magento/zendframework1/library/Zend/Validate/Hostname.php(1860): Zend_Validate_Abstract->_error() #6 
/var/www/providence/vendor/magento/zendframework1/library/Zend/Uri/Http.php(445): Zend_Validate_Hostname->isValid() #7 
/var/www/providence/vendor/magento/zendframework1/library/Zend/Uri/Http.php(277): Zend_Uri_Http->validateHost() #8 
/var/www/providence/vendor/magento/zendframework1/library/Zend/Uri/Http.php(154): Zend_Uri_Http->valid() #9 
/var/www/providence/vendor/magento/zendframework1/library/Zend/Uri.php(143): Zend_Uri_Http->__construct() #10 
/var/www/providence/vendor/magento/zendframework1/library/Zend/Http/Client.php(312): Zend_Uri::factory() #11 
/var/www/providence/app/lib/Plugins/SearchEngine/ElasticSearchConfigurationSettings.php(141): Zend_Http_Client->setUri() #12 
/var/www/providence/app/lib/Plugins/SearchEngine/ElasticSearchConfigurationSettings.php(118): ElasticSearchConfigurationSettings->_checkElasticSearchRunning() #13 
/var/www/providence/app/lib/Search/ASearchConfigurationSettings.php(73): ElasticSearchConfigurationSettings->checkSetting() #14 
/var/www/providence/app/lib/Plugins/SearchEngine/ElasticSearchConfigurationSettings.php(85): ASearchConfigurationSettings->__construct() #15 
/var/www/providence/app/lib/Search/SearchEngine.php(1096): ElasticSearchConfigurationSettings->__construct() #16 
/var/www/providence/app/controllers/administrate/setup/ConfigurationCheckController.php(49): SearchEngine::checkPluginConfiguration() #17 
/var/www/providence/app/lib/Controller/RequestDispatcher.php(289): ConfigurationCheckController->DoCheck() #18 
/var/www/providence/app/lib/Controller/AppController.php(108): RequestDispatcher->dispatch() #19 
/var/www/providence/index.php(137): AppController->dispatch() #20 {main} thrown in 
/var/www/providence/vendor/magento/zendframework1/library/Zend/Registry.php on line 207

Assuming a PHP8 incompatability with the zend framework 1