Dynamics AX 4.0 Report error message

A user is receiving the following message when attempting to run the inventory report “Physical Inventory by Item Group”…

Error executing code: QueryBuildRange object not initialized

Other users are not having any problems running this same report. This user has been successfully running the report until a couple of days ago. According to our IT department, the AOS had to be restarted around the same time. Does anyone have any hints on what we should check?