The MailChimp PHP library is missing the required GuzzleHttp library. Please check the installation notes in README.txt.
Warning: Attempt to assign property of non-object in mailchimp_signup_subscribe_form() (Zeile 332 von /mnt/web115/b2/42/5116142/htdocs/sites/all/modules/mailchimp/modules/mailchimp_signup/mailchimp_signup.module).
Warning: Attempt to assign property of non-object in mailchimp_signup_subscribe_form() (Zeile 332 von /mnt/web115/b2/42/5116142/htdocs/sites/all/modules/mailchimp/modules/mailchimp_signup/mailchimp_signup.module).
Warning: Attempt to assign property of non-object in mailchimp_signup_subscribe_form() (Zeile 332 von /mnt/web115/b2/42/5116142/htdocs/sites/all/modules/mailchimp/modules/mailchimp_signup/mailchimp_signup.module).
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