cURL error 60: SSL: no alternative certificate subject name matches target host

My website is experiencing error: There is a critical error on your site.
wappointmen.com address is not accessible.

Wappointment version 2.6.0 / PHP version: 8.0.28.

Errors message:

E_ERROR line 132 file ../public_html/wp-content/plugins/wappointment/vendor/guzzlehttp/guzzle/src/Handler/CurlFactory.php. error: Uncaught WappoVendor\GuzzleHttp\Exception\RequestException: cURL error 60: SSL: no alternative certificate subject name matches target host name ‘wappointment.com’ (see https://curl.haxx.se/libcurl/c/libcurl-errors.html) in ../public_html/wp-content/plugins/wappointment/vendor/guzzlehttp/guzzle/src/Handler/CurlFactory.php:132
Stack trace: 0 ../public_html/wp-content/plugins/wappointment/vendor/guzzlehttp/guzzle/src/Handler/CurlFactory.php(116): WappoVendor\GuzzleHttp\Handler\CurlFactory::createRejection() 1 ../public_html/wp-content/plugins/wappointment/vendor/guzzlehttp/guzzle/src/Handler/CurlFactory.php(88): WappoVendor\GuzzleHttp\Handler\CurlFactory::finishError() 2 ../public_html/wp-content/plugins/wappointment/vendor/guzzlehttp/guzzle/src/Handler/CurlHandler.php(37): WappoVendor\GuzzleHttp\Handler\CurlFactory::finish() 3 ../public_html/wp-content/plugins/wappointment/vendor/guzzlehttp/guzzle/src/Handler/Proxy.php(24): WappoVendor\GuzzleHttp\Handler\CurlHandler->__invoke() 4 ../public_html/wp-content/plugins/wappointment/vendor/guzzlehttp/guzzle/src/Handler/Proxy.php(43): WappoVendor\GuzzleHttp\Handler\Proxy::WappoVendor\GuzzleHttp\Handler{closure}() 5 ../public_html/wp-content/plugins/wappointment/vendor/guzzlehttp/guzzle/src/PrepareBodyMiddleware.php(34): WappoVendor\GuzzleHttp\Handler\Proxy::WappoVendor\GuzzleHttp\Handler{closure}() 6 ../public_html/wp-content/plugins/wappointment/vendor/guzzlehttp/guzzle/src/Middleware.php(29): WappoVendor\GuzzleHttp\PrepareBodyMiddleware->__invoke() 7 ../public_html/wp-content/plugins/wappointment/vendor/guzzlehttp/guzzle/src/RedirectMiddleware.php(55): WappoVendor\GuzzleHttp\Middleware::WappoVendor\GuzzleHttp{closure}() 8 ../public_html/wp-content/plugins/wappointment/vendor/guzzlehttp/guzzle/src/Middleware.php(55): WappoVendor\GuzzleHttp\RedirectMiddleware->__invoke() 9 ../public_html/wp-content/plugins/wappointment/vendor/guzzlehttp/guzzle/src/HandlerStack.php(64): WappoVendor\GuzzleHttp\Middleware::WappoVendor\GuzzleHttp{closure}() 10 ../public_html/wp-content/plugins/wappointment/vendor/guzzlehttp/guzzle/src/Client.php(302): WappoVendor\GuzzleHttp\HandlerStack->__invoke() 11 ../public_html/wp-content/plugins/wappointment/vendor/guzzlehttp/guzzle/src/Client.php(146): WappoVendor\GuzzleHttp\Client->transfer() 12 ../public_html/wp-content/plugins/wappointment/vendor/guzzlehttp/guzzle/src/Client.php(165): WappoVendor\GuzzleHttp\Client->requestAsync() 13 ../public_html/wp-content/plugins/wappointment/app/Remote/Guzzle/Client.php(28): WappoVendor\GuzzleHttp\Client->request() 14 ../public_html/wp-content/plugins/wappointment/app/Remote/Request.php(21): Wappointment\Remote\Guzzle\Client->get() 15 ../public_html/wp-content/plugins/wappointment/app/Services/Wappointment/VersionCheck.php(64): Wappointment\Remote\Request->get() 16 ../public_html/wp-content/plugins/wappointment/app/Services/Wappointment/VersionCheck.php(22): Wappointment\Services\Wappointment\VersionCheck->latestVersion() 17 ../public_html/wp-includes/class-wp-hook.php(310): Wappointment\Services\Wappointment\VersionCheck->sitePluginsVersionCheckTriggerred() 18 ../public_html/wp-includes/plugin.php(205): WP_Hook->apply_filters() 19 ../public_html/wp-includes/option.php(2053): apply_filters() 20 ../public_html/wp-includes/update.php(393): set_site_transient() 21 ../public_html/wp-includes/class-wp-hook.php(310): wp_update_plugins() 22 ../public_html/wp-includes/class-wp-hook.php(334): WP_Hook->apply_filters() 23 ../public_html/wp-includes/plugin.php(517): WP_Hook->do_action() 24 ../public_html/wp-admin/admin.php(385): do_action() 25 ../public_html/wp-admin/plugins.php(10): require_once(‘/home/u123…’) 26 {main}