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Hello. I’m not well versed in code, please help fix the problem.
On the forum page get this error message:

Fatal error: Uncaught Error: Call to undefined function get_current_screen() in /home/pvokrum/aprks.com/docs/wp-content/plugins/smartlib-tools/vendor/shortcode-ui/inc/class-shortcode-ui.php:85 Stack trace: #0 /home/pvokrum/aprks.com/docs/wp-content/plugins/smartlib-tools/vendor/shortcode-ui/inc/class-shortcode-ui.php(134): Shortcode_UI->enqueue() #1 /home/pvokrum/aprks.com/docs/wp-includes/class-wp-hook.php(298): Shortcode_UI->action_wp_enqueue_editor(Array) #2 /home/pvokrum/aprks.com/docs/wp-includes/class-wp-hook.php(323): WP_Hook->apply_filters(”, Array) #3 /home/pvokrum/aprks.com/docs/wp-includes/plugin.php(453): WP_Hook->do_action(Array) #4 /home/pvokrum/aprks.com/docs/wp-includes/class-wp-editor.php(822): do_action(‘wp_enqueue_edit…’, Array) #5 /home/pvokrum/aprks.com/docs/wp-includes/class-wp-hook.php(298): _WP_Editors::enqueue_scripts(”) #6 /home/pvokrum/aprks.com/docs/wp-includes/class-wp-hook.php(323): WP_Hook->apply_filters(”, Array) #7 /home/pvokrum/aprks.com/docs/wp-includes/plugin.php(453): WP_Hook->do_ in /home/pvokrum/aprks.com/docs/wp-content/plugins/smartlib-tools/vendor/shortcode-ui/inc/class-shortcode-ui.php on line 85

Here is the page where the error occurs http://aprks.com/forums/forum/forum-nashego-sajta/
WP 4.7.2
bbPress 2.5.12
Installed theme: https://rocksite.pro/demo/bootframe/