20:26:51 [CRITICAL] Error: "Undefined class constant 'SHARPNESS'" (EXCEPTION) in "/src/pocketmine/item/Tool" at line 56 20:26:51 [CRITICAL] Error: "Undefined class constant 'SHARPNESS'" (EXCEPTION) in "/src/pocketmine/item/Tool" at line 56 20:26:51 [CRITICAL] Error: "Undefined class constant 'SHARPNESS'" (EXCEPTION) in "/src/pocketmine/item/Tool" at line 56 20:26:51 [CRITICAL] Error: "Undefined class constant 'SHARPNESS'" (EXCEPTION) in "/src/pocketmine/item/Tool" at line 56 20:26:51 [CRITICAL] Error: "Undefined class constant 'SHARPNESS'" (EXCEPTION) in "/src/pocketmine/item/Tool" at line 56 20:26:51 [CRITICAL] Error: "Undefined class constant 'SHARPNESS'" (EXCEPTION) in "/src/pocketmine/item/Tool" at line 56 20:26:51 [CRITICAL] Error: "Undefined class constant 'SHARPNESS'" (EXCEPTION) in "/src/pocketmine/item/Tool" at line 56 20:26:51 [CRITICAL] Error: "Undefined class constant 'SHARPNESS'" (EXCEPTION) in "/src/pocketmine/item/Tool" at line 56 20:26:51 [CRITICAL] Error: "Undefined class constant 'SHARPNESS'" (EXCEPTION) in "/src/pocketmine/item/Tool" at line 56 20:26:51 [CRITICAL] Error: "Undefined class constant 'SHARPNESS'" (EXCEPTION) in "/src/pocketmine/item/Tool" at line 56 20:26:52 [NOTICE] Blocked 192.168.0.12 for 5 seconds Everytime a player use his/her pickaxe,sword,axe so on.. to kill a player.
That's because enchanting is not added into PocketMine in the master branch... So either you're using a development branch, Spoon or a plugin causing this problem