Error message

• Warning: count(): Parameter must be an array or an object that implements Countable in GuzzleHttp\Handler\CurlFactory->release() (line 67 of /home/172700.cloudwaysapps.com/zvxpgakttt/public_html/sites/all/libraries/mailchimp/vendor/guzzlehttp/guzzle/src/Handler/CurlFactory.php).
• Notice: Undefined property: stdClass::$detail in Mailchimp\MailchimpAPIException->__construct() (line 21 of /home/172700.cloudwaysapps.com/zvxpgakttt/public_html/sites/all/libraries/mailchimp/src/MailchimpAPIException.php).
• Notice: Trying to get property 'id' of non-object in mailchimp_signup_subscribe_form() (line 326 of /home/172700.cloudwaysapps.com/zvxpgakttt/public_html/sites/all/modules/mailchimp/modules/mailchimp_signup/mailchimp_signup.module).
• Deprecated function: The each() function is deprecated. This message will be suppressed on further calls in menu_set_active_trail() (line 2405 of /home/172700.cloudwaysapps.com/zvxpgakttt/public_html/includes/menu.inc).