Undefined array key in class-hcard-user.php on line 215

[lordmatt]

I've been seeing a lot of this big ol' chungus of an error in my PHP logs.

Got error 'PHP message: PHP Warning: Undefined array key "id" in [snip]/public_html/wp-content/plugins/indieweb/includes/class-hcard-user.php on line 215; PHP message: PHP Fatal error: Uncaught TypeError: array_values(): Argument #1 ($array) must be of type array, false given in [snip]/public_html/wp-content/plugins/indieweb/includes/class-hcard-user.php:215\nStack trace:\n#0 /[snip]/public_html/wp-content/plugins/indieweb/includes/class-hcard-user.php(215): array_values(false)\n#1 /[snip]/public_html/wp-includes/rest-api/endpoints/class-wp-rest-controller.php(439): HCard_User::{closure:HCard_User::rest_fields():214}(Array, 'me', Object(WP_REST_Request), 'user')\n#2 /[snip]/public_html/wp-includes/rest-api/endpoints/class-wp-rest-users-controller.php(1122): WP_REST_Controller->add_additional_fields_to_object(Array, Object(WP_REST_Request))\n#3 /[snip]/public_html/wp-includes/rest-api/endpoints/class-wp-rest-users-controller.php(519): WP_REST_Users_Controller->prepare_item_for_response(Object(WP_User), Object(WP_REST_Request))\n#4 [snip]...