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How to fix Polylang fatal error?

Our theme is compatible with WPML multilingual plugin and you can ignore the WPML checking by inserting this following code:

define('PLL_WPML_COMPAT', false);

in your wp-config.php or in /wp-content/polylang/pll-config.php


Also you can read this:

https://polylang.pro/fatal-error-call-to-a-member-function-on-a-non-object-in/