If you receive an invalid error message, first ensure that you are activating the key on the right platform and double-check the code you entered. If a key is revoked and removed from your library, you should first contact the platform's support to learn the exact reason for the removal of the product. If the key is not as described, duplicate or one the reasons above, after following the steps we mentioned, please submit a report to the merchant here: kinguin.net/app/dashboard/createreport. Remember that after 12 hours you are able to escalate the matter to our Customer Support.