Symptom:
An error message is received when trying to login to Wordpress from WP Toolkit in Plesk "Error getting administrator credentials: An error has occurred when decoding JSON: Illegal Token"
Approximately 10 Minute Process
Cause
This is caused by a plugin called Elementor Pro running on a site that is using PHP 8.1.X
Step-by-Step Guide
This usually occurs when your website is running PHP 8.1.X and should be upgraded to PHP 8.2.X to clear the error message.
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