cannot delete plugin

Something to do with removing the capability? Here is the error:

Installation “My Website”: PHP Fatal error: Uncaught Error: Call to undefined function ElasticPress\Utils\get_capability() in /var/www/vhosts/mywebsite.com/httpdocs/wp-content/plugins/elasticpress/uninstall.php:195 Stack trace: #0 /var/www/vhosts/mywebsite.com/httpdocs/wp-content/plugins/elasticpress/uninstall.php(101): EP_Uninstaller->remove_elasticpress_capability() #1 /var/www/vhosts/mywebsite.com/httpdocs/wp-content/plugins/elasticpress/uninstall.php(223): EP_Uninstaller->__construct() #2 /var/www/vhosts/mywebsite.com/httpdocs/wp-admin/includes/plugin.php(1241): include_once(‘/var/www/vhosts…’) #3 /opt/psa/admin/plib/modules/wp-toolkit/vendor/wp-cli/vendor/wp-cli/extension-command/src/Plugin_Command.php(921): uninstall_plugin() #4 [internal function]: Plugin_Command->uninstall() #5 /opt/psa/admin/plib/modules/wp-toolkit/vendor/wp-cli/vendor/wp-cli/wp-cli/php/WP_CLI/Dispatcher/CommandFactory.php(100): call_user_func() #6 [internal function]: WP_CLI\Dispatcher\CommandFactory::WP_CLI\Dispatcher\{closure}() #7 /opt/psa/adm in /var/www/vhosts/mywebsite.com/httpdocs/wp-content/plugins/elasticpress/uninstall.php on line 195 Fatal error: Uncaught Error: Call to undefined function ElasticPress\Utils\get_capability() in /var/www/vhosts/mywebsite.com/httpdocs/wp-content/plugins/elasticpress/uninstall.php:195 Stack trace: #0 /var/www/vhosts/mywebsite.com/httpdocs/wp-content/plugins/elasticpress/uninstall.php(101): EP_Uninstaller->remove_elasticpress_capability() #1 /var/www/vhosts/mywebsite.com/httpdocs/wp-content/plugins/elasticpress/uninstall.php(223): EP_Uninstaller->__construct() #2 /var/www/vhosts/mywebsite.com/httpdocs/wp-admin/includes/plugin.php(1241): include_once(‘/var/www/vhosts…’) #3 /opt/psa/admin/plib/modules/wp-toolkit/vendor/wp-cli/vendor/wp-cli/extension-command/src/Plugin_Command.php(921): uninstall_plugin() #4 [internal function]: Plugin_Command->uninstall() #5 /opt/psa/admin/plib/modules/wp-toolkit/vendor/wp-cli/vendor/wp-cli/wp-cli/php/WP_CLI/Dispatcher/CommandFactory.php(100): call_user_func() #6 [internal function]: WP_CLI\Dispatcher\CommandFactory::WP_CLI\Dispatcher\{closure}() #7 /opt/psa/adm in /var/www/vhosts/mywebsite.com/httpdocs/wp-content/plugins/elasticpress/uninstall.php on line 195 Error: There has been a critical error on this website.Learn more about troubleshooting WordPress. There has been a critical error on this website.