Page not found - Illumo Digital

Warning: file_put_contents(/var/www/html/wp-content/themes/illumo-xxvi/frontend/scss/error_log.log): Failed to open stream: Permission denied in /var/www/html/wp-content/plugins/wp-scss/wp-scss.php on line 320 Page not found - Illumo Digital Warning: fopen(/var/www/html/wp-content/uploads/pie-tin-framework/js/child-header.js): Failed to open stream: Permission denied in /var/www/html/wp-content/plugins/pie-tin-framework/includes/Applepie/WP/Scripts_Styles.php on line 1007 Fatal error: Uncaught TypeError: fwrite(): Argument #1 ($stream) must be of type resource, false given in /var/www/html/wp-content/plugins/pie-tin-framework/includes/Applepie/WP/Scripts_Styles.php:1008 Stack trace: #0 /var/www/html/wp-content/plugins/pie-tin-framework/includes/Applepie/WP/Scripts_Styles.php(1008): fwrite(false, '//init\n //La...') #1 /var/www/html/wp-content/themes/illumo-xxvi/functions.php(126): Pie_Framework_ScriptsStyles::combine_js('child-header', Array, true) #2 /var/www/html/wp-includes/class-wp-hook.php(341): pie_slice_scripts_and_styles('') #3 /var/www/html/wp-includes/class-wp-hook.php(365): WP_Hook->apply_filters(NULL, Array) #4 /var/www/html/wp-includes/plugin.php(522): WP_Hook->do_action(Array) #5 /var/www/html/wp-includes/script-loader.php(2311): do_action('wp_enqueue_scri...') #6 /var/www/html/wp-includes/class-wp-hook.php(341): wp_enqueue_scripts('') #7 /var/www/html/wp-includes/class-wp-hook.php(365): WP_Hook->apply_filters(NULL, Array) #8 /var/www/html/wp-includes/plugin.php(522): WP_Hook->do_action(Array) #9 /var/www/html/wp-includes/general-template.php(3197): do_action('wp_head') #10 /var/www/html/wp-content/plugins/pie-tin-framework/templates/parts/header/wp-header.php(2): wp_head() #11 /var/www/html/wp-content/themes/hotpie/header.php(2): include('/var/www/html/w...') #12 /var/www/html/wp-includes/template.php(814): require_once('/var/www/html/w...') #13 /var/www/html/wp-includes/template.php(749): load_template('/var/www/html/w...', true, Array) #14 /var/www/html/wp-includes/general-template.php(48): locate_template(Array, true, true, Array) #15 /var/www/html/wp-content/plugins/pie-tin-framework/templates/parts/header/header.php(9): get_header() #16 /var/www/html/wp-content/themes/hotpie/404.php(2): include_once('/var/www/html/w...') #17 /var/www/html/wp-includes/template-loader.php(125): include('/var/www/html/w...') #18 /var/www/html/wp-blog-header.php(19): require_once('/var/www/html/w...') #19 /var/www/html/index.php(17): require('/var/www/html/w...') #20 {main} thrown in /var/www/html/wp-content/plugins/pie-tin-framework/includes/Applepie/WP/Scripts_Styles.php on line 1008