Fatal error: Uncaught Error: Call to undefined function is_lesson_completed() in /www/k229project_828/public/wp-content/plugins/oxygen/component-framework/components/classes/code-block.class.php(133) : eval()'d code:4 Stack trace: #0 /www/k229project_828/public/wp-content/plugins/oxygen/component-framework/components/classes/code-block.class.php(133): eval() #1 /www/k229project_828/public/wp-content/plugins/oxygen/component-framework/includes/templates.php(76): CT_Code_Block->add_shortcode(Array, '', 'ct_code_block') #2 /www/k229project_828/public/wp-content/plugins/oxygen/component-framework/components/classes/div-block.class.php(48): do_oxygen_elements(Array) #3 /www/k229project_828/public/wp-content/plugins/oxygen/component-framework/includes/templates.php(76): CT_DIV_Block->add_shortcode(Array, Array, 'ct_div_block') #4 /www/k229project_828/public/wp-content/plugins/oxygen/component-framework/components/classes/div-block.class.php(48): do_oxygen_elements(Array) #5 /www/k229project_828/public/wp-content/plugins/oxygen/component-framework/includes/templates.php(76): CT_DIV_Block->add_shortcode(Array, Array, 'ct_div_block') #6 /www/k229project_828/public/wp-content/plugins/oxygen/component-framework/components/classes/div-block.class.php(48): do_oxygen_elements(Array) #7 /www/k229project_828/public/wp-content/plugins/oxygen/component-framework/includes/templates.php(76): CT_DIV_Block->add_shortcode(Array, Array, 'ct_div_block') #8 /www/k229project_828/public/wp-content/plugins/oxygen/component-framework/components/classes/new-columns.class.php(51): do_oxygen_elements(Array) #9 /www/k229project_828/public/wp-content/plugins/oxygen/component-framework/includes/templates.php(76): CT_New_Columns->add_shortcode(Array, Array, 'ct_new_columns') #10 /www/k229project_828/public/wp-content/plugins/oxygen/component-framework/components/classes/section.class.php(70): do_oxygen_elements(Array) #11 /www/k229project_828/public/wp-content/plugins/oxygen/component-framework/includes/templates.php(76): CT_Section->add_shortcode(Array, Array, 'ct_section') #12 /www/k229project_828/public/wp-content/plugins/oxygen/component-framework/includes/templates.php(109): do_oxygen_elements(Array) #13 /www/k229project_828/public/wp-content/plugins/oxygen/component-framework/includes/templates.php(183): ct_template_output() #14 /www/k229project_828/public/wp-includes/class-wp-hook.php(324): ct_templates_buffer_start('') #15 /www/k229project_828/public/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array) #16 /www/k229project_828/public/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #17 /www/k229project_828/public/wp-content/plugins/oxygen/component-framework/component-init.php(1273): do_action('ct_builder_star...') #18 /www/k229project_828/public/wp-includes/class-wp-hook.php(324): oxy_print_cached_css('') #19 /www/k229project_828/public/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array) #20 /www/k229project_828/public/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #21 /www/k229project_828/public/wp-includes/general-template.php(3064): do_action('wp_head') #22 /www/k229project_828/public/wp-content/plugins/oxygen/component-framework/oxygen-main-template.php(10): wp_head() #23 /www/k229project_828/public/wp-includes/template-loader.php(106): include('/www/k229projec...') #24 /www/k229project_828/public/wp-blog-header.php(19): require_once('/www/k229projec...') #25 /www/k229project_828/public/index.php(17): require('/www/k229projec...') #26 {main} thrown in /www/k229project_828/public/wp-content/plugins/oxygen/component-framework/components/classes/code-block.class.php(133) : eval()'d code on line 4