error message on home page

I keep getting an error message when I try to edit my home page at https://www.fitnessandkids.com
I had a image slider on the page but deleted the images because I did not want the slider on there anymore. here is the error message, can someone help please?

Fatal error: Uncaught Error: Call to undefined function gutenberg_get_jed_locale_data() in /home/fitnesa8/public_html/wp-content/plugins/ml-slider/admin/Gutenberg.php:42 Stack trace: #0 /home/fitnesa8/public_html/wp-includes/class-wp-hook.php(286): MetaSlider_Gutenberg->enqueue_block_scripts(”) #1 /home/fitnesa8/public_html/wp-includes/class-wp-hook.php(310): WP_Hook->apply_filters(NULL, Array) #2 /home/fitnesa8/public_html/wp-includes/plugin.php(465): WP_Hook->do_action(Array) #3 /home/fitnesa8/public_html/wp-admin/edit-form-blocks.php(353): do_action(‘enqueue_block_e…’) #4 /home/fitnesa8/public_html/wp-admin/post.php(178): include(‘/home/fitnesa8/…’) #5 {main} thrown in /home/fitnesa8/public_html/wp-content/plugins/ml-slider/admin/Gutenberg.php on line 42