ZBX-16430 backtrace
ZBX-15698 zabbix_server [16240]: ERROR [file:lld_item.c,line:856] Something impossible has just happened.
ZBX-15299 ERROR [file:lld_item.c,line:856] Something impossible has just happened
ZBX-19438 ERROR [file and function: <lld_item.c,lld_items_get>, revision:15ae5548ce, line:819] Something impossible has just happened.
ZBX-22031 Error "Something impossible has just happened"