I get Blank Page when I do Parameter Update on Reports module
what the issue might be everything else works fine
Version 7.10.11
Sugar Version 6.5.25 (Build 344)
There are some instructions about troubleshooting here:
https://suitecrm.com/suitecrm/forum/suitecrm-7-0-discussion/18836-guidelines-to-post-in-these-forums
It helps if you gather more info before asking in the forums. In this case, I would say one of your your logs has the answer.