Uncaught TypeError: Cannot access offset of type string on string

[lucasschvantes]

FastCGI sent in stderr: "PHP message: PHP Fatal error: Uncaught TypeError: Cannot access offset of type string on string in /usr/share/nginx/html/mysite.com/wordpress/wp-admin/class.wordphp.php:213

In new server with php 8.2

Using in php 7.4, no problem

any updates i need to do?

Thanks