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I am trying to upgrade a 7.2.6 install to 7.3.6 but the installer is coming up with an error message:
2016-02-04 07:21:42,874  WARN Umbraco.Core.Services.UserService - An error occurred attempting to save a user instance during upgrade, normally this warning can be ignored. Exception: System.Data.SqlClient.SqlException (0x80131904): Invalid column name 'securityStampToken'. Invalid column name 'lastLoginDate'.
It looks as though the database needs to be upgraded but that this is not happening for some reason.
I upgraded the same site on our staging server with no issues.
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