I am getting the below error.
Warning: array_key_exists() expects parameter 2 to be array, null given in /home/customer/www/websitename/public_html/wp-content/plugins/wordfence/waf/bootstrap.php on line 479
I have disabled all plugins except for wordfence, deleted and reinstalled wordfence and used wordfence assistant to remove wordfence data but this issue still persists.
What is causing this issue?
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