Facilities and Resources for Engineers

Fatal error: Uncaught Error: Call to undefined function mb_strtolower()
in /home/nd_coe_admin/sites/stage/wp-content/plugins/ultimate-addons-for-gutenberg/blocks-config/table-of-content/class-uagb-table-of-content.php on line 228

Call stack:

1. UAGB_Table_Of_Content::clean('Fitzpatrick-Hall-of-Engineering-and-Cushing-Hall')
   wp-content/plugins/ultimate-addons-for-gutenberg/blocks-config/table-of-content/class-uagb-table-of-content.php:188

Notice: Undefined index: file in /home/nd_coe_admin/sites/stage/wp-content/plugins/query-monitor/collectors/php_errors.php on line 388

Notice: Undefined index: line in /home/nd_coe_admin/sites/stage/wp-content/plugins/query-monitor/collectors/php_errors.php on line 388

2. UAGB_Table_Of_Content::{closure}(DOMElement)
3. array_map(Closure, array)
   wp-content/plugins/ultimate-addons-for-gutenberg/blocks-config/table-of-content/class-uagb-table-of-content.php:194
4. UAGB_Table_Of_Content::table_of_contents_get_headings_from_content('<!-- wp:uagb/table-o...-- /wp:paragraph -->')
   wp-content/plugins/ultimate-addons-for-gutenberg/blocks-config/table-of-content/class-uagb-table-of-content.php:503
5. UAGB_Table_Of_Content::render_table_of_contents(array, '<!-- wp:uagb/table-o...-- /wp:paragraph -->', WP_Block)
   wp-includes/class-wp-block.php:537
6. WP_Block::render()
   wp-includes/blocks.php:2190
7. render_block(array)
   wp-includes/blocks.php:2242
8. do_blocks('<!-- wp:uagb/table-o...-- /wp:paragraph -->')
   wp-includes/class-wp-hook.php:324
9. WP_Hook::apply_filters('<!-- wp:uagb/table-o...-- /wp:paragraph -->', array)
   wp-includes/plugin.php:205
10. apply_filters('the_content', '<!-- wp:uagb/table-o...-- /wp:paragraph -->')
    wp-includes/post-template.php:256
11. the_content()
    wp-content/themes/ndt3-wp-master/template-parts/content-page.php:133
12. require('/home/nd_coe_admin/s...rts/content-page.php')
    wp-includes/template.php:812
13. load_template('/home/nd_coe_admin/s...rts/content-page.php', false, array)
    wp-includes/template.php:745
14. locate_template(array, true, false, array)
    wp-includes/general-template.php:206
15. get_template_part('template-parts/content', 'page')
    wp-content/themes/ndt3-wp-master/templates/template-full-width-header-left-nav.php:29
16. include('/home/nd_coe_admin/s...-header-left-nav.php')
    wp-includes/template-loader.php:106
17. require_once('/home/nd_coe_admin/s.../template-loader.php')
    wp-blog-header.php:19
18. require('/home/nd_coe_admin/sites/stage/wp-blog-header.php')
    index.php:17