Fatal error: Uncaught Error: Call to undefined function wp_theme_has_theme_json() in /home/tinamacn/tinamacnaughton.co.uk/wp-content/plugins/cartflows/modules/gutenberg/classes/class-cartflows-init-blocks.php:78 Stack trace: #0 /home/tinamacn/tinamacnaughton.co.uk/wp-content/plugins/cartflows/modules/gutenberg/classes/class-cartflows-init-blocks.php(42): Cartflows_Init_Blocks->__construct() #1 /home/tinamacn/tinamacnaughton.co.uk/wp-content/plugins/cartflows/modules/gutenberg/classes/class-cartflows-init-blocks.php(600): Cartflows_Init_Blocks::get_instance() #2 /home/tinamacn/tinamacnaughton.co.uk/wp-content/plugins/cartflows/modules/gutenberg/classes/class-cartflows-block-loader.php(64): require_once('/home/tinamacn/...') #3 /home/tinamacn/tinamacnaughton.co.uk/wp-content/plugins/cartflows/modules/gutenberg/classes/class-cartflows-block-loader.php(44): Cartflows_Block_Loader->load_plugin() #4 /home/tinamacn/tinamacnaughton.co.uk/wp-content/plugins/cartflows/modules/gutenberg/classes/class-cartflows-block-loader.php(31): Cartflows_Block_Loader->__construct() #5 /home/tinamacn/tinamacnaughton.co.uk/wp-content/plugins/cartflows/modules/gutenberg/classes/class-cartflows-block-loader.php(76): Cartflows_Block_Loader::get_instance() #6 /home/tinamacn/tinamacnaughton.co.uk/wp-content/plugins/cartflows/classes/class-cartflows-loader.php(528): include_once('/home/tinamacn/...') #7 /home/tinamacn/tinamacnaughton.co.uk/wp-content/plugins/cartflows/classes/class-cartflows-loader.php(253): Cartflows_Loader->load_core_files() #8 /home/tinamacn/tinamacnaughton.co.uk/wp-includes/class-wp-hook.php(307): Cartflows_Loader->load_plugin() #9 /home/tinamacn/tinamacnaughton.co.uk/wp-includes/class-wp-hook.php(331): WP_Hook->apply_filters() #10 /home/tinamacn/tinamacnaughton.co.uk/wp-includes/plugin.php(476): WP_Hook->do_action() #11 /home/tinamacn/tinamacnaughton.co.uk/wp-settings.php(461): do_action() #12 /home/tinamacn/tinamacnaughton.co.uk/wp-config.php(116): require_once('/home/tinamacn/...') #13 /home/tinamacn/tinamacnaughton.co.uk/wp-load.php(50): require_once('/home/tinamacn/...') #14 /home/tinamacn/tinamacnaughton.co.uk/wp-blog-header.php(13): require_once('/home/tinamacn/...') #15 /home/tinamacn/tinamacnaughton.co.uk/index.php(17): require('/home/tinamacn/...') #16 {main} thrown in /home/tinamacn/tinamacnaughton.co.uk/wp-content/plugins/cartflows/modules/gutenberg/classes/class-cartflows-init-blocks.php on line 78
internal_server_error 500