zabbix-server not starting after update from 2.2 -> 3.4

[Zaolisbbix]

After zabbix update from 2.2 - 3.4 I can't start zabbix-server.

sudo service zabbix-server start = Job is already running: zabbix-server

sudo service zabbix-server status = zabbix-server start/running


logs :
sudo tail -10 /var/log/zabbix/zabbix_server.log :
1564:20180814:140655.541 Got signal [signal:15(SIGTERM),sender_pid:1,sender_uid:0,reaso n:0]. Exiting ...
1430:20180814:140655.562 Got signal [signal:15(SIGTERM),sender_pid:1,sender_uid:0,reaso n:0]. Exiting ...
1461:20180814:140655.575 Got signal [signal:15(SIGTERM),sender_pid:1,sender_uid:0,reaso n:0]. Exiting ...
1436:20180814:140655.592 Got signal [signal:15(SIGTERM),sender_pid:1,sender_uid:0,reaso n:0]. Exiting ...
1500:20180814:140655.610 Got signal [signal:15(SIGTERM),sender_pid:1,sender_uid:0,reaso n:0]. Exiting ...
1481:20180814:140655.620 Got signal [signal:15(SIGTERM),sender_pid:1,sender_uid:0,reaso n:0]. Exiting ...
1002:20180814:140655.645 Got signal [signal:15(SIGTERM),sender_pid:1,sender_uid:0,reaso n:0]. Exiting ...
1002:20180814:140657.684 syncing history data...
1002:20180814:140657.776 syncing history data done
1002:20180814:140657.776 syncing trends data...

sudo tail -50 /var/log/zabbix-server/zabbix_server.log :

2105:20150420:120826.207 Starting Zabbix Server. Zabbix 2.2.2 (revision 42525). Trying to start wrong verion !
2105:20150420:120826.207 ****** Enabled features ******
2105:20150420:120826.207 SNMP monitoring: YES
2105:20150420:120826.207 IPMI monitoring: YES
2105:20150420:120826.207 WEB monitoring: YES
2105:20150420:120826.207 VMware monitoring: YES
2105:20150420:120826.207 Jabber notifications: YES
2105:20150420:120826.207 Ez Texting notifications: YES
2105:20150420:120826.207 ODBC: YES
2105:20150420:120826.207 SSH2 support: YES
2105:20150420:120826.207 IPv6 support: YES
2105:20150420:120826.207 ******************************
2105:20150420:120826.207 using configuration file: /etc/zabbix/zabbix_server.conf
2105:20150420:120826.215 The server does not match Zabbix database. Current database version (mandatory/optional): 02040000/02040000. Required mandatory version: 02020000.


zabbix_server --version
zabbix_server (Zabbix) 3.4.12
Revision 83229 30 July 2018, compilation time: Jul 30 2018 11:50:46


Any ideas ?

Regards