Question: "When I try to do a simple report, I get the "Empty Datasource" error. What else should I check? Answer: Please follow these instructions: 1. Please check SQL Server. There must be AVREPORTER and aspnetdb databases. 2. Please check settings in AVRRealtimeDataService config file. (C:\Program Files\KONsys\AVReporter\AVR Real-time DataService\RealTime_DataService.exe.config) 3. Please restart „AVRRealtimeDataService” service. 4. Please run Realtime Device manager. Please check the log settings in template device driver: 5. Please check the AVReporter registration. Do you have enough device licenses ? 6. The following video shows you how can you check the Realtime Service status with WCF test client: https://1drv.ms/v/s!AtPRIogE3N1hhHCEwN5L1TrUu4f5