csrf token invalid whmcs : SOLVED

Whmcs Shift from One Hosting to Another / PHP Versions increse or decrease / Restore the backup in case of error — This all will make you WHMCS installed management in to error and you will unable to make any changes in your in your WHMCS.

There are many solution have been provided by the expert and also by the WHMCS staff member.But they are only help to only 10% of people who have problem but other 90% people still receive the same problem with out any solution.

Why this problem happens? There are many reason explaind by numerous website with different.

But the main reason is how can we solve the problem… and for that the solution was provided one of the user who posted solution on the website — CLICK HERE.

You can see the Image below of the Solution.

Above Image in TEXT FORMAT.

1. Create a new directory called ‘session’ and make owner/group writable.
2. open configuration.php and add the following:
session_save_path(__DIR__ . “/session”);
ini_set(‘session.gc_probability’, 1);

3. Open /.htaccess and add the below for security:
RewriteRule ^session/(.*)$ /index.php