Restart the service after making changes.
| Error Code / Message | Typical Cause | User-Facing Symptom | |----------------------|---------------|----------------------| | Database connection failed | Corrupt DB path or service down | Software hangs on login | | Device not responding | USB/Network mismatch | No attendance data fetched | | Invalid license key | Expired or mismatched license | Activation loop | | Export failed | Permission or format issue | Reports not generated | | Time mismatch | Server vs local clock offset | Incorrect shift calculation | Essl Etimetracklite Error Solver
Ensure the database path in the Connection Settings is correct. Restart the service after making changes
Try "pinging" the device IP from your Command Prompt. If it pings but the software won't connect, check if your Antivirus is blocking the app. Ensure the Communication Key on the device matches the one entered in the software settings. Service Failures (The "Parallel Service" Headache) If it pings but the software won't connect,