I have tried to install the Group Pricing (per item) module with no luck. I am using zencart v.1.3.9b.

After install I navigate to my admin folder to get to the login screen and there is absolutely nothing there!

and when i check in the read me file, this module actually compatible with Zen-Cart 1.3.8

so, i also did not do any backup beofre installing this module

can anyone help me? my web is blank now