The following warning occurs on every page (after plugin installation):
Warning: count(): Parameter must be an array or an object that implements Countable in xxx/wp-content/plugins/laygridder/fontmanager/fontmanager.php on line 69
Warning: count(): Parameter must be an array or an object that implements Countable in xxx/wp-content/plugins/laygridder/fontmanager/fontmanager.php on line 56