Error message

  • The MailChimp PHP library is missing the required GuzzleHttp library. Please check the installation notes in README.txt.
  • Notice: Trying to get property of non-object in mailchimp_lists_field_formatter_view() (line 515 of /home/robreit107/domains/airsoftunited.be/public_html/sites/all/modules/mailchimp/modules/mailchimp_lists/includes/mailchimp_lists.field.inc).

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