Error message

• Deprecated function: implode(): Passing glue string after array is deprecated. Swap the parameters in Drupal\gmap\GmapDefaults->__construct() (line 107 of /home4/markbrum/public_html/sites/all/modules/gmap/lib/Drupal/gmap/GmapDefaults.php).
• Notice: Undefined index: gdpr_consent in mailchimp_signup_subscribe_form() (line 380 of /home4/markbrum/public_html/sites/all/modules/mailchimp/modules/mailchimp_signup/mailchimp_signup.module).