Unable to generate the report

Unable to generate the report

Im trying to do any report and my Support Center return the message:
Dear User,
      Unable to generate the report. So please contact supportcenter support for further...



I realize, when I restart the SupportCenter Server I can use the report once and after this, when I try do another report (any report, inclusive the standard reports), the error appears.

Im using SupportCenter Plus 7.6.0 Professional Edition
Compile:7604

                  New to ADSelfService Plus?