just to chime in on this ticket, I am also seeing this same behaviour.
Kamailio version:
```
version: kamailio 4.3.4 (x86_64/linux) 0ec860
flags: STATS: Off, USE_TCP, USE_TLS, USE_SCTP, TLS_HOOKS, USE_RAW_SOCKS, DISABLE_NAGLE,
USE_MCAST, DNS_IP_HACK, SHM_MEM, SHM_MMAP, PKG_MALLOC, DBG_QM_MALLOC, USE_FUTEX,
FAST_LOCK-ADAPTIVE_WAIT, USE_DNS_CACHE, USE_DNS_FAILOVER, USE_NAPTR, USE_DST_BLACKLIST,
HAVE_RESOLV_RES
ADAPTIVE_WAIT_LOOPS=1024, MAX_RECV_BUFFER_SIZE 262144, MAX_LISTEN 16, MAX_URI_SIZE 1024,
BUF_SIZE 65535, DEFAULT PKG_SIZE 8MB
poll method support: poll, epoll_lt, epoll_et, sigio_rt, select.
id: 0ec860
compiled on 17:42:12 Nov 25 2015 with gcc 4.4.7
```
Sample log message:
```
Dec 18 10:27:13 kam_proxy01[25942]: ERROR: db_sqlite [dbase.c:489]: db_sqlite_commit():
sqlite commit failed: constraint failed
Dec 18 10:27:13 kam_proxy01[25942]: ERROR: db_sqlite [dbase.c:138]:
db_sqlite_cleanup_query(): finalize failed: pua.call_id may not be NULL
Dec 18 10:27:13 kam_proxy01[25942]: ERROR: pua [pua.c:1179]: db_update(): while inserting
in db table pua
```
---
Reply to this email directly or view it on GitHub:
https://github.com/kamailio/kamailio/issues/345#issuecomment-165742196