Building a timesheet actuals

Hi I built and uploaded a timesheet report and also uploaded and published the data connection in the DC library on BI Center.

But still I m not able to refresh report in browser. Please help

My query is

.PeriodNameas[PeriodName],

.PeriodStatusas[Period Status],

.TimesheetNameas[TimesheetName],

.TimesheetStatusas[Timesheet Status],

.ResourceNameas[ResourceName],

.ProjectNameas[ProjectName],

.TaskNameas[TaskName],

.TaskUIDas[TaskUID],

.PlannedWorkas[Planned Work],

.ActualWorkBillableas[Billable Actual Work],

.PeriodStartDateas[Period Start Date],

.PeriodEndDateas[Period End Date],

.[Accounting Code]

from  

INNERJOINMSP_EpmTask_UserView Tsk

OnTL.TaskUID=Tsk.TaskUID

WhereMonth(Tl.PeriodStartDate)<=Month(getdate())

andTl.ActualWorkBillable!=0

OrderbyTl.PeriodStartDatedesc