Please help me out from this scenario why my app is not syncing after coming online or wifi network.
Basically, The steps how my app work ,given below:-
The app is working for punch in punch out ,break in break stop.
In offline mode , punch in punch out, or break in break stop are recording in the form of increasing counts.
Whenever coming online, we again login with the same login id and password . Record will be sync and count value will be zero.
The issue points are:-
The app was working properly few times ago.
Punch in, punch out are recorded as like as before.
But from now, Syncing is not working whenever login the app after coming online.
And count value is not decreasing or syncing after login.
Note: The issue is not generating whenever we test the app at my side but above issue track by client side.
What can be the reason for the above issue or any solution for the above issue.

I have updated config.xml file to resolve the issue.
Changed the dependencies so that issue may fix.
Changed in config.xml file using ios platform.
Checked the network issue.