please help!

[CtrlAltTr0ll]

not exactly sure whats happening here, but if i interact with the form GUI it errors out:

08.06 20:21:14 [Server] Server thread/CRITICAL TypeError: "Argument 2 passed to jojoe77777\SlapperPlus\commands\SlapperPlusCommand::jojoe77777\SlapperPlus\commands{closure}() must be of the type array or null, int given, called in phar:///plugins/FormAPI.phar/src/jojoe77777/FormAPI/Form.php on line 46" (EXCEPTION) in "plugins/SlapperPlus_v1.0.1 (2).phar/src/jojoe77777/SlapperPlus/commands/SlapperPlusCommand" at line 48
08.06 20:21:14 [Server] Server thread/DEBUG #0 plugins/FormAPI.phar/src/jojoe77777/FormAPI/Form(46): jojoe77777\SlapperPlus\commands\SlapperPlusCommand->jojoe77777\SlapperPlus\commands{closure}(object pocketmine\Player, integer 1)
08.06 20:21:14 [Server] Server thread/DEBUG #1 src/pocketmine/Player(3539): jojoe77777\FormAPI\Form->handleResponse(object pocketmine\Player, integer 1)
08.06 20:21:14 [Server] Server thread/DEBUG #2 src/pocketmine/network/mcpe/PlayerNetworkSessionAdapter(264): pocketmine\Player->onFormSubmit(integer 0, integer 1)
08.06 20:21:14 [Server] Server thread/DEBUG #3 src/pocketmine/network/mcpe/protocol/ModalFormResponsePacket(49): pocketmine\network\mcpe\PlayerNetworkSessionAdapter->handleModalFormResponse(object pocketmine\network\mcpe\protocol\ModalFormResponsePacket)
08.06 20:21:14 [Server] Server thread/DEBUG #4 src/pocketmine/network/mcpe/PlayerNetworkSessionAdapter(110): pocketmine\network\mcpe\protocol\ModalFormResponsePacket->handle(object pocketmine\network\mcpe\PlayerNetworkSessionAdapter)
08.06 20:21:14 [Server] Server thread/DEBUG #5 src/pocketmine/network/mcpe/protocol/BatchPacket(126): pocketmine\network\mcpe\PlayerNetworkSessionAdapter->handleDataPacket(object pocketmine\network\mcpe\protocol\ModalFormResponsePacket)
08.06 20:21:14 [Server] Server thread/DEBUG #6 src/pocketmine/network/mcpe/PlayerNetworkSessionAdapter(110): pocketmine\network\mcpe\protocol\BatchPacket->handle(object pocketmine\network\mcpe\PlayerNetworkSessionAdapter)
08.06 20:21:14 [Server] Server thread/DEBUG #7 src/pocketmine/Player(3187): pocketmine\network\mcpe\PlayerNetworkSessionAdapter->handleDataPacket(object pocketmine\network\mcpe\protocol\BatchPacket)
08.06 20:21:14 [Server] Server thread/DEBUG #8 src/pocketmine/network/mcpe/RakLibInterface(169): pocketmine\Player->handleDataPacket(object pocketmine\network\mcpe\protocol\BatchPacket)
08.06 20:21:14 [Server] Server thread/DEBUG #9 vendor/pocketmine/raklib/src/server/ServerHandler(99): pocketmine\network\mcpe\RakLibInterface->handleEncapsulated(string[20] 107.134.103.37 56484, object raklib\protocol\EncapsulatedPacket, integer 0)
08.06 20:21:14 [Server] Server thread/DEBUG #10 src/pocketmine/network/mcpe/RakLibInterface(109): raklib\server\ServerHandler->handlePacket()
08.06 20:21:14 [Server] Server thread/DEBUG #11 src/pocketmine/network/mcpe/RakLibInterface(99): pocketmine\network\mcpe\RakLibInterface->process()
08.06 20:21:14 [Server] Server thread/DEBUG #12 vendor/pocketmine/snooze/src/SleeperHandler(123): pocketmine\network\mcpe\RakLibInterface->pocketmine\network\mcpe{closure}()
08.06 20:21:14 [Server] Server thread/DEBUG #13 vendor/pocketmine/snooze/src/SleeperHandler(85): pocketmine\snooze\SleeperHandler->processNotifications()
08.06 20:21:14 [Server] Server thread/DEBUG #14 src/pocketmine/Server(2154): pocketmine\snooze\SleeperHandler->sleepUntil(double 1591647674.3053)
08.06 20:21:14 [Server] Server thread/DEBUG #15 src/pocketmine/Server(1991): pocketmine\Server->tickProcessor()
08.06 20:21:14 [Server] Server thread/DEBUG #16 src/pocketmine/Server(1585): pocketmine\Server->start()
08.06 20:21:14 [Server] Server thread/DEBUG #17 src/pocketmine/PocketMine(273): pocketmine\Server->__construct(object BaseClassLoader, object pocketmine\utils\MainLogger, string[48] /, string[56] /plugins/)
08.06 20:21:14 [Server] Server thread/DEBUG #18 src/pocketmine/PocketMine(296): pocketmine\server()
08.06 20:21:14 [Server] Server thread/DEBUG #19 (11): require(string[108] phar:///PMMP-Latest-Stable.phar/s)