Fatal error: Uncaught TypeError: floor(): Argument #1 ($num) must be of type int|float, string given in /home/httpd/vhosts/crazymartin.ch/httpsdocs/wp-content/plugins/wp-sudoku-plus/wp-sudoku-plus.php:582
Stack trace:
#0 /home/httpd/vhosts/crazymartin.ch/httpsdocs/wp-content/plugins/wp-sudoku-plus/wp-sudoku-plus.php(582): floor('\xE2\x80\x9C16\xE2\x80\xB3')
#1 /home/httpd/vhosts/crazymartin.ch/httpsdocs/wp-includes/shortcodes.php(433): sudoku_shortcode_handler(Array, '', 'sudoku')
#2 [internal function]: do_shortcode_tag(Array)
#3 /home/httpd/vhosts/crazymartin.ch/httpsdocs/wp-includes/shortcodes.php(273): preg_replace_callback('/\\[(\\[?)(sudoku...', 'do_shortcode_ta...', '\n