Fatal Error

There is a Fatal Error when selecting a comission then change its status to “Create a payment manually”

Uncaught TypeError: implode(): Argument #1 ($pieces) must be of type array, string given

the error happens exactly here:

$redirect = esc_url_raw(
 add_query_arg(
   array(										 
     'commission_paid' => implode( ',', $res['can_be_paid'] ),									 
     'commission_unpaid' => implode( ',', $res['cannot_be_paid'] ),
   ),
   $redirect
));

class.yith-wcaf-comission-handler.php

there is no “can_be_paid” or “cannot_be_paid”