Warning: Trying to access array offset on value of type bool in /htdocs/wp-content/themes/twofold-wp/inc/templates/galleries/style6.php on line 17

Fatal error: Uncaught DivisionByZeroError: Division by zero in /htdocs/wp-content/themes/twofold-wp/inc/templates/galleries/style6.php:18 Stack trace: #0 /htdocs/wp-includes/template.php(772): require() #1 /htdocs/wp-includes/template.php(716): load_template('/htdocs/wp-cont...', false, Array) #2 /htdocs/wp-includes/general-template.php(204): locate_template(Array, true, false, Array) #3 /htdocs/wp-content/themes/twofold-wp/single-gallery.php(14): get_template_part('inc/templates/g...') #4 /htdocs/wp-includes/template-loader.php(106): include('/htdocs/wp-cont...') #5 /htdocs/wp-blog-header.php(19): require_once('/htdocs/wp-incl...') #6 /htdocs/index.php(17): require('/htdocs/wp-blog...') #7 {main} thrown in /htdocs/wp-content/themes/twofold-wp/inc/templates/galleries/style6.php on line 18