@jpetraws, this plugin was last updated 6 months ago, so the issue has not been addressed. If you’re using Google Tag Manager you might want to do it through that, or just add the FB code to header.php in your theme.
An error of type E_ERROR was caused in line 42 of the file …wp-content/plugins/official-facebook-pixel/vendor/facebook/php-business-sdk/src/FacebookAds/Object/ServerSide/Normalizer.php. Error message: Uncaught TypeError: strlen(): Argument #1 ($string) must be of type string, array given in …wp-content/plugins/official-facebook-pixel/vendor/facebook/php-business-sdk/src/FacebookAds/Object/ServerSide/Normalizer.php:42
WordPress version 6.1.1 Current plugin: Meta pixel for WordPress (version 3.0.8) PHP version 8.0.27