[PRoSToTeM@]

Can you show your server log? (qconsole)

[OnePL]

I do not have this file, condebug is disabled

[OnePL]

In logs I noticed that client_disconnected forward is executed on the new map

(...)
L 04/27/2017 - 23:51:05: "naXe<2503><STEAM_0:0:39471739><TERRORIST>" disconnected
(...)
L 04/27/2017 - 23:51:05: -------- Mapchange to de_dust2 --------
(...)
L 04/27/2017 - 23:51:06: ID: 16 - get_user_time: 0 - getUserTime float: 0.000000 - getUserTime floatround: 0

[PRoSToTeM@]

Hm, it should be executed before mapchange.