Incorrect behaviour from /clone and /paste commands

[95CivicSi]

Description

Error Condition
When using /clone or /paste without arguments, the client receives an error message An unknown error occured while attempting to perform this command and the console / server log produces errors (listed below).

Expected Behavior
At minimum, a usage message is expected. Preferable response would be to present options for the user to modify the behaviors of clone and paste (eg, Save Air Blocks, Radius etc).

Versions

• PocketMine version: 1.7dev-345
• BlockSniper version: 2.2.1 (dev 292)
• Game version: W10

Crashdump and/or console errors

13.11 01:45:07 [Server] Server thread/CRITICAL ErrorException: "Undefined offset: 0" (EXCEPTION) in "BlockSniper_dev-292.phar/src/BlockHorizons/BlockSniper/commands/cloning/CloneCommand" at line 37
13.11 01:45:07 [Server] Server thread/DEBUG #0 BlockSniper_dev-292.phar/src/BlockHorizons/BlockSniper/commands/cloning/CloneCommand(37): pocketmine\error_handler(integer 8, string Undefined offset: 0, string phar:///plugins/BlockSniper_dev-292.phar/src/BlockHorizons/BlockSniper/commands/cloning/CloneCommand.php, integer 37, array Array())
13.11 01:45:07 [Server] Server thread/DEBUG #1 src/pocketmine/command/SimpleCommandMap(258): BlockHorizons\BlockSniper\commands\cloning\CloneCommand->execute(pocketmine\Player object, string clone, array Array())
13.11 01:45:07 [Server] Server thread/DEBUG #2 src/pocketmine/Server(1984): pocketmine\command\SimpleCommandMap->dispatch(pocketmine\Player object, string clone)
13.11 01:45:07 [Server] Server thread/DEBUG #3 src/pocketmine/Player(2126): pocketmine\Server->dispatchCommand(pocketmine\Player object, string clone)
13.11 01:45:07 [Server] Server thread/DEBUG #4 src/pocketmine/network/mcpe/PlayerNetworkSessionAdapter(220): pocketmine\Player->chat(string /clone)
13.11 01:45:07 [Server] Server thread/DEBUG #5 src/pocketmine/network/mcpe/protocol/CommandRequestPacket(47): pocketmine\network\mcpe\PlayerNetworkSessionAdapter->handleCommandRequest(pocketmine\network\mcpe\protocol\CommandRequestPacket object)
13.11 01:45:07 [Server] Server thread/DEBUG #6 src/pocketmine/network/mcpe/PlayerNetworkSessionAdapter(92): pocketmine\network\mcpe\protocol\CommandRequestPacket->handle(pocketmine\network\mcpe\PlayerNetworkSessionAdapter object)
13.11 01:45:07 [Server] Server thread/DEBUG #7 src/pocketmine/network/mcpe/protocol/BatchPacket(115): pocketmine\network\mcpe\PlayerNetworkSessionAdapter->handleDataPacket(pocketmine\network\mcpe\protocol\CommandRequestPacket object)
13.11 01:45:07 [Server] Server thread/DEBUG #8 src/pocketmine/network/mcpe/PlayerNetworkSessionAdapter(92): pocketmine\network\mcpe\protocol\BatchPacket->handle(pocketmine\network\mcpe\PlayerNetworkSessionAdapter object)
13.11 01:45:07 [Server] Server thread/DEBUG #9 src/pocketmine/Player(3011): pocketmine\network\mcpe\PlayerNetworkSessionAdapter->handleDataPacket(pocketmine\network\mcpe\protocol\BatchPacket object)
13.11 01:45:07 [Server] Server thread/DEBUG #10 src/pocketmine/network/mcpe/RakLibInterface(143): pocketmine\Player->handleDataPacket(pocketmine\network\mcpe\protocol\BatchPacket object)
13.11 01:45:07 [Server] Server thread/DEBUG #11 src/raklib/server/ServerHandler(97): pocketmine\network\mcpe\RakLibInterface->handleEncapsulated(string 66.26.150.23:60211, raklib\protocol\EncapsulatedPacket object, integer 0)
13.11 01:45:07 [Server] Server thread/DEBUG #12 src/pocketmine/network/mcpe/RakLibInterface(82): raklib\server\ServerHandler->handlePacket()
13.11 01:45:07 [Server] Server thread/DEBUG #13 src/pocketmine/network/Network(89): pocketmine\network\mcpe\RakLibInterface->process()
13.11 01:45:07 [Server] Server thread/DEBUG #14 src/pocketmine/Server(2518): pocketmine\network\Network->processInterfaces()
13.11 01:45:07 [Server] Server thread/DEBUG #15 src/pocketmine/Server(2274): pocketmine\Server->tick()
13.11 01:45:07 [Server] Server thread/DEBUG #16 src/pocketmine/Server(2149): pocketmine\Server->tickProcessor()
13.11 01:45:07 [Server] Server thread/DEBUG #17 src/pocketmine/Server(1731): pocketmine\Server->start()
13.11 01:45:07 [Server] Server thread/DEBUG #18 src/pocketmine/PocketMine(564): pocketmine\Server->__construct(BaseClassLoader object, pocketmine\utils\MainLogger object, string phar:///jar/PocketMine-MP.phar/, string /, string /plugins/)
13.11 01:45:07 [Server] Server thread/DEBUG #19 /jar/PocketMine-MP.phar(1): require(string phar:///jar/PocketMine-MP.phar/src/pocketmine/PocketMine.php)

Error from paste command:

13.11 01:46:32 [Server] Server thread/CRITICAL ErrorException: "Undefined offset: 0" (EXCEPTION) in "BlockSniper_dev-292.phar/src/BlockHorizons/BlockSniper/commands/cloning/PasteCommand" at line 35
13.11 01:46:32 [Server] Server thread/DEBUG #0 BlockSniper_dev-292.phar/src/BlockHorizons/BlockSniper/commands/cloning/PasteCommand(35): pocketmine\error_handler(integer 8, string Undefined offset: 0, string phar:///plugins/BlockSniper_dev-292.phar/src/BlockHorizons/BlockSniper/commands/cloning/PasteCommand.php, integer 35, array Array())
13.11 01:46:32 [Server] Server thread/DEBUG #1 src/pocketmine/command/SimpleCommandMap(258): BlockHorizons\BlockSniper\commands\cloning\PasteCommand->execute(pocketmine\Player object, string paste, array Array())
13.11 01:46:32 [Server] Server thread/DEBUG #2 src/pocketmine/Server(1984): pocketmine\command\SimpleCommandMap->dispatch(pocketmine\Player object, string paste)
13.11 01:46:32 [Server] Server thread/DEBUG #3 src/pocketmine/Player(2126): pocketmine\Server->dispatchCommand(pocketmine\Player object, string paste)
13.11 01:46:32 [Server] Server thread/DEBUG #4 src/pocketmine/network/mcpe/PlayerNetworkSessionAdapter(220): pocketmine\Player->chat(string /paste)
13.11 01:46:32 [Server] Server thread/DEBUG #5 src/pocketmine/network/mcpe/protocol/CommandRequestPacket(47): pocketmine\network\mcpe\PlayerNetworkSessionAdapter->handleCommandRequest(pocketmine\network\mcpe\protocol\CommandRequestPacket object)
13.11 01:46:32 [Server] Server thread/DEBUG #6 src/pocketmine/network/mcpe/PlayerNetworkSessionAdapter(92): pocketmine\network\mcpe\protocol\CommandRequestPacket->handle(pocketmine\network\mcpe\PlayerNetworkSessionAdapter object)
13.11 01:46:32 [Server] Server thread/DEBUG #7 src/pocketmine/network/mcpe/protocol/BatchPacket(115): pocketmine\network\mcpe\PlayerNetworkSessionAdapter->handleDataPacket(pocketmine\network\mcpe\protocol\CommandRequestPacket object)
13.11 01:46:32 [Server] Server thread/DEBUG #8 src/pocketmine/network/mcpe/PlayerNetworkSessionAdapter(92): pocketmine\network\mcpe\protocol\BatchPacket->handle(pocketmine\network\mcpe\PlayerNetworkSessionAdapter object)
13.11 01:46:32 [Server] Server thread/DEBUG #9 src/pocketmine/Player(3011): pocketmine\network\mcpe\PlayerNetworkSessionAdapter->handleDataPacket(pocketmine\network\mcpe\protocol\BatchPacket object)
13.11 01:46:32 [Server] Server thread/DEBUG #10 src/pocketmine/network/mcpe/RakLibInterface(143): pocketmine\Player->handleDataPacket(pocketmine\network\mcpe\protocol\BatchPacket object)
13.11 01:46:32 [Server] Server thread/DEBUG #11 src/raklib/server/ServerHandler(97): pocketmine\network\mcpe\RakLibInterface->handleEncapsulated(string 66.26.150.23:60211, raklib\protocol\EncapsulatedPacket object, integer 0)
13.11 01:46:32 [Server] Server thread/DEBUG #12 src/pocketmine/network/mcpe/RakLibInterface(82): raklib\server\ServerHandler->handlePacket()
13.11 01:46:32 [Server] Server thread/DEBUG #13 src/pocketmine/network/Network(89): pocketmine\network\mcpe\RakLibInterface->process()
13.11 01:46:32 [Server] Server thread/DEBUG #14 src/pocketmine/Server(2518): pocketmine\network\Network->processInterfaces()
13.11 01:46:32 [Server] Server thread/DEBUG #15 src/pocketmine/Server(2274): pocketmine\Server->tick()
13.11 01:46:32 [Server] Server thread/DEBUG #16 src/pocketmine/Server(2149): pocketmine\Server->tickProcessor()
13.11 01:46:32 [Server] Server thread/DEBUG #17 src/pocketmine/Server(1731): pocketmine\Server->start()
13.11 01:46:32 [Server] Server thread/DEBUG #18 src/pocketmine/PocketMine(564): pocketmine\Server->__construct(BaseClassLoader object, pocketmine\utils\MainLogger object, string phar:///jar/PocketMine-MP.phar/, string /, string /plugins/)
13.11 01:46:32 [Server] Server thread/DEBUG #19 /jar/PocketMine-MP.phar(1): require(string phar:///jar/PocketMine-MP.phar/src/pocketmine/PocketMine.php)

[Sandertv]

Fixed in the latest commit. (and poggit release)