DatePicker not working with PHP 7.2

[Valentina R]

Reported here: https://bizzthemes.com/forums/topic/updating-to-php-7-2-breaks-the-date-picker/

[Željan Topić]

We actually encourage customers to switch to PHP 7.2. Error is probably related to another plugin or theme. Customer should look into PHP error log to see what might be the issue.