Thank you for getting in touch with us. My name is Attila and I'm happy to assist you today.
I would like to confirm that we have received your message. I will contact the dev team regarding this error to see what might this be and get back to you with the results.
We appreciate your patience while we're working towards your ticket.
But just to make sure we will also take another look at it. In the meantime you can disable the WP debug mode, so the error is not visible, it will not cause any harm.
Hello,
I've found these warnings in my log file:
WordPress 4.9.1
LayerSlider 6.6.4
PHP 7.1.12
Hello Andries Jansen,
Thank you for getting in touch with us. My name is Attila and I'm happy to assist you today.
I would like to confirm that we have received your message. I will contact the dev team regarding this error to see what might this be and get back to you with the results.
We appreciate your patience while we're working towards your ticket.
This looks like a PHP error, that was already fixed in PHP 7.2 by the development team of PHP. So this is not a LayerSlider specific issue. Resources:
https://bugs.php.net/bug.php?id=7498
http://php.net/ChangeLog-7.php#7.2.0
But just to make sure we will also take another look at it. In the meantime you can disable the WP debug mode, so the error is not visible, it will not cause any harm.