"Invalid Client" causes crash

[XFuryMCPE]

[22:18:45] [Server thread/NOTICE]: Received Heartbeat Packet from 127.0.0.1:37290 |
[22:18:45] [Server thread/NOTICE]: Received Heartbeat Packet from 127.0.0.1:37269 |
[22:18:45] [Server thread/NOTICE]: Received Heartbeat Packet from 127.0.0.1:37289 |
[22:18:45] [Server thread/CRITICAL]: Exception: "Invalid Client" (EXCEPTION) in "/src/syna|
pse/network/SynapseInterface" at line 114 |
[22:18:45] [Server thread/DEBUG]: #0 /src/synapse/Server(517): synapse\network\SynapseInte|
rface->process(boolean) |
[22:18:45] [Server thread/DEBUG]: #1 /src/synapse/Server(341): synapse\Server->tick(boolea|
n) |
[22:18:45] [Server thread/DEBUG]: #2 /src/synapse/Server(325): synapse\Server->tickProcess|
or(boolean) |
[22:18:45] [Server thread/DEBUG]: #3 /src/synapse/Server(221): synapse\Server->start(boole|
an) |
[22:18:45] [Server thread/DEBUG]: #4 /src/synapse/Synapse(388): synapse\Server->__construc|
t(synapse\CompatibleClassLoader object, synapse\utils\MainLogger object, string phar:///ho|
me/Network/Synapse/Synapse.phar/, string /home/Network/Synapse/, string /home/Network/Syna|
pse/plugins/) |
[22:18:45] [Server thread/DEBUG]: #5 (1): require_once(string phar:///home/Network/Synapse|
/Synapse.phar/src/synapse/Synapse.php) |
[22:18:45] [Server thread/INFO]: Stopping other threads |
[22:18:45] [Server thread/DEBUG]: Stopping CommandReader thread |
[22:18:45] [Server thread/DEBUG]: Stopping AsyncWorker thread |
[22:18:45] [Server thread/DEBUG]: Stopping AsyncWorker thread |
[22:18:45] [Server thread/DEBUG]: Stopping AsyncWorker thread |
[22:18:45] [Server thread/DEBUG]: Stopping AsyncWorker thread |
[22:18:45] [Server thread/DEBUG]: Stopping AsyncWorker thread |
[22:18:45] [Server thread/DEBUG]: Stopping AsyncWorker thread |
[22:18:45] [Server thread/DEBUG]: Stopping SynapseServer thread |
Server has stopped

Any idea why this happens? That's one of the only bugs I have

[PeratX]

Wrong client hash or something wrong with plugins. This is because client has not been registered, but server has receive a packet from that client

[XFuryMCPE]

Didn't fix it. Still crashes