Disabling PLL_COOKIE gives PHP Warning

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Hello,

The polylang cookie was interfering with our host Kinsta’s Edge Caching system, so I had to disable it using the suggestion in this post:

By adding:

define( ‘PLL_COOKIE’, false );

To our theme’s functions.php file.

However, now on every page load, we are getting:

PHP Warning: Constant PLL_COOKIE already defined in /www/someka_108/public/wp-content/themes/someka-custom-theme/functions.php on line 752

Edit: I realized this is because I’m not doing it in a MU Plugin. The problem is resolved and this post can be deleted. 🙂