How long has the mobile application been having issues?
If there is any issue in app BUSY BNS follow the below steps:
Step 1: Make sure you have latest version of BUSY BNS app
Step 2: Your BUSY should be of latest release
Step 3: Check your internet connection in stable
Step 4: Your mobile number is registered in BUSY BNS and you have mrntioned correct numer in BUSY.