We have in Salesforce Full Copy Sandbox following problem : 

Your organization's trial period has expired. Please have your administrator contact support for assistance. (LicenseInvalid). Error Id: 9450c162-7318-4cb5-a31b-115b5d796e27

Cannot post a support case, because credentials are not accepted and emailverification is not send to my mailbox.

Maybe this way anyone from Nintex can pick up this post and resolve our problem ?

thx