The MailChimp PHP library is missing the required GuzzleHttp library. Please check the installation notes in README.txt.
Notice: Trying to get property 'id' of non-object in mailchimp_signup_subscribe_form() (regel 364 van /var/www/vhosts/demooistenacht.be/httpdocs/sites/all/modules/contrib/mailchimp/modules/mailchimp_signup/mailchimp_signup.module).
Notice: Undefined index: gdpr_consent in mailchimp_signup_subscribe_form() (regel 380 van /var/www/vhosts/demooistenacht.be/httpdocs/sites/all/modules/contrib/mailchimp/modules/mailchimp_signup/mailchimp_signup.module).
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