GuzzleHttp \ Exception \ RequestException cURL error 60: SSL certificate problem: unable to get local issuer certificate (see http://curl.haxx.se/libcurl/c/libcurl-errors.html)
Put it inside of C:\wamp64\bin\php\your php version\extras\ssl
Make sure the file mod_ssl.so is inside of C:\wamp64\bin\apache\apache(version)\modules
Enable mod_ssl in httpd.conf inside of Apache directory C:\wamp64\bin\apache\apache2.4.27\conf
find the location php.ini files and find the line curl.cainfo = and give it a path like this
curl.cainfo = "C:\wamp64\bin\php\php(Version)\extras\ssl\cacert.pem"