Please go to the settings of CySmart app. It should be in your installed apps under Settings. Under Permissions, check if you have enabled location and storage permissions for the app.
Then run the app. It should work.
If both are already enabled and you are still seeing the issue, please provide us information on the Phone, Android version and Cysmart app version you are using.
Android Studio can be used to generate logs using Logcat window. If you have experience using this IDE, please connect the USB to your phone and run the app. The Logcat window will report the logs. Please copy the logs into a file and attach it here. It will provide us clear information on the error.
Thank you Dheeraj!