crash

[LeoBdt]

hello !!

it makes me crashing when i broke dropper in survival.

Error: "Class 'redstone\blocks\TieredTool' not found" (EXCEPTION) in "plugins/RedstoneCircuit_dev-2.phar/src/redstone/blocks/BlockDropper" at line 42
2019-03-22 [13:20:32] [Server thread/DEBUG]: #0 src/pocketmine/block/Block(248): redstone\blocks\BlockDropper->getToolHarvestLevel()
2019-03-22 [13:20:32] [Server thread/DEBUG]: #1 src/pocketmine/block/Block(276): pocketmine\block\Block->isCompatibleWithTool(pocketmine\item\Pickaxe object)
2019-03-22 [13:20:32] [Server thread/DEBUG]: #2 src/pocketmine/Player(2795): pocketmine\block\Block->getBreakTime(pocketmine\item\Pickaxe object)
2019-03-22 [13:20:32] [Server thread/DEBUG]: #3 src/pocketmine/network/mcpe/PlayerNetworkSessionAdapter(173): pocketmine\Player->handlePlayerAction(pocketmine\network\mcpe\protocol\PlayerActionPacket object)
2019-03-22 [13:20:32] [Server thread/DEBUG]: #4 src/pocketmine/network/mcpe/protocol/PlayerActionPacket(88): pocketmine\network\mcpe\PlayerNetworkSessionAdapter->handlePlayerAction(pocketmine\network\mcpe\protocol\PlayerActionPacket object)
2019-03-22 [13:20:32] [Server thread/DEBUG]: #5 src/pocketmine/network/mcpe/PlayerNetworkSessionAdapter(109): pocketmine\network\mcpe\protocol\PlayerActionPacket->handle(pocketmine\network\mcpe\PlayerNetworkSessionAdapter object)
2019-03-22 [13:20:32] [Server thread/DEBUG]: #6 src/pocketmine/network/mcpe/protocol/BatchPacket(119): pocketmine\network\mcpe\PlayerNetworkSessionAdapter->handleDataPacket(pocketmine\network\mcpe\protocol\PlayerActionPacket object)
2019-03-22 [13:20:32] [Server thread/DEBUG]: #7 src/pocketmine/network/mcpe/PlayerNetworkSessionAdapter(109): pocketmine\network\mcpe\protocol\BatchPacket->handle(pocketmine\network\mcpe\PlayerNetworkSessionAdapter object)
2019-03-22 [13:20:32] [Server thread/DEBUG]: #8 src/pocketmine/Player(3113): pocketmine\network\mcpe\PlayerNetworkSessionAdapter->handleDataPacket(pocketmine\network\mcpe\protocol\BatchPacket object)
2019-03-22 [13:20:32] [Server thread/DEBUG]: #9 src/pocketmine/network/mcpe/RakLibInterface(170): pocketmine\Player->handleDataPacket(pocketmine\network\mcpe\protocol\BatchPacket object)
2019-03-22 [13:20:32] [Server thread/DEBUG]: #10 vendor/pocketmine/raklib/src/server/ServerHandler(99): pocketmine\network\mcpe\RakLibInterface->handleEncapsulated(string 86.227.202.29 49231, raklib\protocol\EncapsulatedPacket object, integer 0)
2019-03-22 [13:20:32] [Server thread/DEBUG]: #11 src/pocketmine/network/mcpe/RakLibInterface(110): raklib\server\ServerHandler->handlePacket()
2019-03-22 [13:20:32] [Server thread/DEBUG]: #12 src/pocketmine/network/mcpe/RakLibInterface(100): pocketmine\network\mcpe\RakLibInterface->process()
2019-03-22 [13:20:32] [Server thread/DEBUG]: #13 vendor/pocketmine/snooze/src/SleeperHandler(123): pocketmine\network\mcpe\RakLibInterface->pocketmine\network\mcpe{closure}()
2019-03-22 [13:20:32] [Server thread/DEBUG]: #14 vendor/pocketmine/snooze/src/SleeperHandler(85): pocketmine\snooze\SleeperHandler->processNotifications()
2019-03-22 [13:20:32] [Server thread/DEBUG]: #15 src/pocketmine/Server(2329): pocketmine\snooze\SleeperHandler->sleepUntil(double 1553257233.0035)
2019-03-22 [13:20:32] [Server thread/DEBUG]: #16 src/pocketmine/Server(2187): pocketmine\Server->tickProcessor()
2019-03-22 [13:20:32] [Server thread/DEBUG]: #17 src/pocketmine/Server(1766): pocketmine\Server->start()
2019-03-22 [13:20:32] [Server thread/DEBUG]: #18 src/pocketmine/PocketMine(250): pocketmine\Server->__construct(BaseClassLoader object, pocketmine\utils\MainLogger object, string /home/leo/skyblock/, string /home/leo/skyblock/plugins/)
2019-03-22 [13:20:32] [Server thread/DEBUG]: #19 (1): require(string phar:///home/leo/skyblock/PocketMine-MP.phar/src/pocketmine/PocketMine.php)