Balance troubleshooting

Guide how to troubleshoot balance.

1. Write down current user balance, type(postpaid/prepaid)
2. Write down all payments user made
3. Check actions for this user to check how his balance was changed in GUI
4. Check if user has any Subscriptions
5. Get (grep) all lines from Asterisk log file similar to: "User's data retrieved: id: 2, lcr_id: 2, balance: 184.246752, froze" where balance is visible