Recently did not do a backup

7.0 Upgrade 7.2 Forum, d70to72.php
not open the upgrade file according to the official http://www.discuz.net/thread-1486594-1-1.html, prompt steps to the second step to not open the d70to72.php
tips can not be displayed
Recently did not do a backup, this method do not mention ... ...
morning in accordance with the user manual, from the points on the modified Policy Wizard is blank before the integration of a code, modifying details and click the submit, and then find the integral before strategies are missing, the use of transaction points are gone, changed after the complete integration strategy can not find out from the points set on the set of points before, and now users of the points gone, is there any way to recover today operation? Or how to recover the settings?