can't call method "name" on unblessed reference error

[Xephryrus]

OpenKore version what-will-become-2.1
@ai_seq = route macro follow
Network state = 5
Network handler = Network::DirectConnection
SVN revision: 7698
Loaded plugins:
plugins/macro/macro.pl (macro)

Error message:
Can't call method "name" on unblessed reference at src/Network/Receive/ServerType0.pm line 1253.

Stack trace:
Can't call method "name" on unblessed reference at src/Network/Receive/ServerType0.pm line 1253.
at src/Network/Receive/ServerType0.pm line 1253
Network::Receive::ServerType0::actor_died_or_disappeared('Network::Receive::iRO=HASH(0x598b23c)', 'HASH(0x541d65c)') called at src/Network/Receive.pm line 193
Network::Receive::parse('Network::Receive::iRO=HASH(0x598b23c)', '\x{80}\x{0}\x{1a}\x{ba}=\x{0}\x{2}') called at src/functions.pl line 1335
main::parseIncomingMessage('\x{80}\x{0}\x{1a}\x{ba}=\x{0}\x{2}') called at src/functions.pl line 696
main::mainLoop_initialized() called at src/functions.pl line 69
main::mainLoop() called at src/Interface.pm line 75
Interface::mainLoop('Interface::Console::Win32=HASH(0x8e1f74)') called at openkore.pl line 97
main::__start() called at start.pl line 136

Died at this line:
if ($args->{type} == 2) {
* debug "Player Disconnected: " . $players_old{$ID}->name . "\n", "parseMsg_presence";
$players_old{$ID}{disconnected} = 1;

i got this error when running openkore svn r7698.

[EternalHarvest]

r7758 contains some measures that may prevent that from happening.