[sr-dev] [kamailio/kamailio] ERROR: cnxcc terminate_call(): Error executing dlg_end_dlg command. Return code was [404] (#1051)

### Description <!-- I want to do call drop when balance reach to 0. so for that i am using CNXCC module and kamailio 4.2 version now when user balance reach to 0 then i can see in log

terminate_call(): Error executing dlg_end_dlg command. Return code was [404] Apr 1 06:49:56 sip /usr/sbin/kamailio[1316]: ALERT: cnxcc [cnxcc_check.c:81]: check_calls_by_money(): [S2N5rn7nlu] call has exhausted its credit. Breaking the loop

So my target is call disconnect when users balance reach at 0.

-->

#### Log Messages

``` terminate_call(): Error executing dlg_end_dlg command. Return code was [404] Apr 1 06:49:56 sip /usr/sbin/kamailio[1316]: ALERT: cnxcc [cnxcc_check.c:81]: check_calls_by_money(): [S2N5rn7nlu] call has exhausted its credit. Breaking the loop ```

### Additional Information

* **Kamailio Version** - output of `kamailio -v`

``` kamctl -v /usr/sbin/kamctl 4.2.0

```

* **Operating System**:

``` Centos 6 64bit ```