I got an offline deactivation ticket by email but it doesn't work on the offline deactivation page. Please let me know what I should do.

I got an offline deactivation ticket by email but it doesn't work on the offline deactivation page. Please let me know what I should do.
Yohei Komuro We will be pleased to help you with this problem so have logged a support case on your behalf. We do prioritise customers who have a support contract so please keep in mind it could take up to 48 hours, especially over a weekend, but rest assured we will contact you as soon as we can. You will be contacted at the email address used for this Community. Support Case Id : 00853956 .