Multiple upgrade versions appear to have worked until version 7580, was presented an error message that said we needed to add Secret1 and Secret2 keys to the Web.Config file "exactly as shown" and we did. The quoted field of those keys were "" (blank).
Upgrade process seemed to continue until this error presented itself:
Is this just a matter of verifying Secret3 and Secret4 exist in the Systemsettings table?
Should both of those values also be "" (blank) ?
Follow up question, is the support@ email address shown in the above screen shot still