When i kill a zombie spawned from a spawner

[goldavge]

[12:06:02] [Server thread/CRITICAL]: TypeError: "Argument 1 passed to pocketmine\network\mcpe\NetworkBinaryStream::putString() must be of the type string, int given, called in phar:///home/container/PocketMine-MP.phar/src/pocketmine/network/mcpe/protocol/AddActorPacket.php on line 211" (EXCEPTION) in "pmsrc/src/pocketmine/network/mcpe/NetworkBinaryStream" at line 70
[12:06:02] [Server thread/CRITICAL]: #0 pmsrc/src/pocketmine/network/mcpe/protocol/AddActorPacket(211): pocketmine\network\mcpe\NetworkBinaryStream->putString(integer 32)
[12:06:02] [Server thread/CRITICAL]: #1 pmsrc/src/pocketmine/network/mcpe/protocol/DataPacket(127): pocketmine\network\mcpe\protocol\AddActorPacket->encodePayload()
[12:06:02] [Server thread/CRITICAL]: #2 pmsrc/src/pocketmine/network/mcpe/protocol/BatchPacket(86): pocketmine\network\mcpe\protocol\DataPacket->encode()
[12:06:02] [Server thread/CRITICAL]: #3 pmsrc/src/pocketmine/Server(1729): pocketmine\network\mcpe\protocol\BatchPacket->addPacket(object pocketmine\network\mcpe\protocol\AddActorPacket)
[12:06:02] [Server thread/CRITICAL]: #4 pmsrc/src/pocketmine/level/Level(923): pocketmine\Server->batchPackets(array[1], array[7], boolean , boolean )
[12:06:02] [Server thread/CRITICAL]: #5 pmsrc/src/pocketmine/level/Level(787): pocketmine\level\Level->actuallyDoTick(integer 894753)
[12:06:02] [Server thread/CRITICAL]: #6 pmsrc/src/pocketmine/Server(2265): pocketmine\level\Level->doTick(integer 894753)
[12:06:02] [Server thread/CRITICAL]: #7 pmsrc/src/pocketmine/Server(2396): pocketmine\Server->checkTickUpdates(integer 894753, double 1620302762.1429)

[varunbln]

Fixed in dev build #95