Hi Gerald,
There is a plugin “Shortcoder” which causing conflicts here. When enabled debug there was PHP error in log: “PHP Fatal error: Call to undefined function get_current_screen() in …/wp-content/plugins/shortcoder/admin/sc-admin.php on line 357”
The function get_current_screen() should be used only in admin area. But Shortcoder uses it in front end as well via hooks mce_buttons & mce_external_plugins.
So either you have to contact plugin author or use following temp solution.
Copy following code snippet in your theme functions.php for temporary fix.
// Fix: PHP Fatal error: Call to undefined function get_current_screen()
function gd_custom_init() {
if ( class_exists( 'Shortcoder_Admin' ) && !is_admin() ) {
remove_filter( 'mce_buttons', array( 'Shortcoder_Admin', 'register_mce_button' ) );
remove_filter( 'mce_external_plugins', array( 'Shortcoder_Admin', 'register_mce_js' ) );
}
}
add_action( 'init', 'gd_custom_init' );
Thanks,
Kiran