Fatal error: Uncaught TypeError: round(): Argument #1 ($num) must be of type int|float, string given in /usr/www/users/hippojpgxv/wp-content/themes/boo/rella/rella-helpers.php:668 Stack trace: #0 /usr/www/users/hippojpgxv/wp-content/themes/boo/rella/rella-helpers.php(668): round('-1.75px') #1 /usr/www/users/hippojpgxv/wp-content/themes/boo/theme/theme-dynamic-css.php(515): Rella_Helper->get_typography_option(Array, Array, 'letter-spacing') #2 /usr/www/users/hippojpgxv/wp-content/themes/boo/rella/rella-dynamic-css.php(409): rella_dynamic_css_array() #3 /usr/www/users/hippojpgxv/wp-content/themes/boo/rella/rella-dynamic-css.php(393): Rella_Dynamic_CSS->dynamic_css() #4 /usr/www/users/hippojpgxv/wp-content/themes/boo/rella/rella-dynamic-css.php(91): Rella_Dynamic_CSS->dynamic_css_cached() #5 /usr/www/users/hippojpgxv/wp-content/themes/boo/rella/rella-dynamic-css.php(61): Rella_Dynamic_CSS->make_css() #6 /usr/www/users/hippojpgxv/wp-includes/class-wp-hook.php(324): Rella_Dynamic_CSS->set_mode(Object(WP)) #7 /usr/www/users/hippojpgxv/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array) #8 /usr/www/users/hippojpgxv/wp-includes/plugin.php(565): WP_Hook->do_action(Array) #9 /usr/www/users/hippojpgxv/wp-includes/class-wp.php(830): do_action_ref_array('wp', Array) #10 /usr/www/users/hippojpgxv/wp-includes/functions.php(1336): WP->main('') #11 /usr/www/users/hippojpgxv/wp-blog-header.php(16): wp() #12 /usr/www/users/hippojpgxv/index.php(17): require('/usr/www/users/...') #13 {main} thrown in /usr/www/users/hippojpgxv/wp-content/themes/boo/rella/rella-helpers.php on line 668