PHP Fatal error:  Uncaught TypeError: WPCOM_REST_API_V2_Endpoint_Admin_Menu::prepare_submenu_item(): Argument #1 ($submenu_item) must be of type array, null given, called in /wordpress/plugins/jetpack/13.2-beta/_inc/lib/core-api/wpcom-endpoints/class-wpcom-rest-api-v2-endpoint-admin-menu.php on line 149 and defined in /wordpress/plugins/jetpack/13.2-beta/_inc/lib/core-api/wpcom-endpoints/class-wpcom-rest-api-v2-endpoint-admin-menu.php:314
Stack trace:
#0 /wordpress/plugins/jetpack/13.2-beta/_inc/lib/core-api/wpcom-endpoints/class-wpcom-rest-api-v2-endpoint-admin-menu.php(149): WPCOM_REST_API_V2_Endpoint_Admin_Menu->prepare_submenu_item(NULL, Array)
#1 /wordpress/plugins/jetpack/13.2-beta/_inc/lib/core-api/wpcom-endpoints/class-wpcom-rest-api-v2-endpoint-admin-menu.php(95): WPCOM_REST_API_V2_Endpoint_Admin_Menu->prepare_menu_for_response(Array)
#2 /wordpress/core/6.4.3/wp-includes/rest-api/class-wp-rest-server.php(1193): WPCOM_REST_API_V2_Endpoint_Admin_Menu->get_item(Object(WP_REST_Request))
#3 /wordpress/core/6.4.3/wp-includes/rest-api/class-wp-rest-server.php(1041): WP_REST_Server->respond_to_request(Object(WP_REST_Request), '/wpcom/v2/admin...', Array, NULL)
#4 /wordpress/core/6.4.3/wp-includes/rest-api/class-wp-rest-server.php(431): WP_REST_Server->dispatch(Object(WP_REST_Request))
#5 /wordpress/core/6.4.3/wp-includes/rest-api.php(424): WP_REST_Server->serve_request('/wpcom/v2/admin...')
#6 /wordpress/core/6.4.3/wp-includes/class-wp-hook.php(324): rest_api_loaded(Object(WP))
#7 /wordpress/core/6.4.3/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array)
#8 /wordpress/core/6.4.3/wp-includes/plugin.php(565): WP_Hook->do_action(Array)
#9 /wordpress/core/6.4.3/wp-includes/class-wp.php(418): do_action_ref_array('parse_request', Array)
#10 /wordpress/core/6.4.3/wp-includes/class-wp.php(813): WP->parse_request('')
#11 /wordpress/core/6.4.3/wp-includes/functions.php(1336): WP->main('')
#12 /wordpress/core/6.4.3/wp-blog-header.php(16): wp()
#13 /wordpress/core/6.4.3/index.php(17): require('/wordpress/core...')
#14 {main}
  thrown in /wordpress/plugins/jetpack/13.2-beta/_inc/lib/core-api/wpcom-endpoints/class-wpcom-rest-api-v2-endpoint-admin-menu.php on line 314