When [x] was clicked on the form ui.
[10:31:33] [Server thread/CRITICAL]: #0 plugins/ChatFX.phar/src/Alacksch/ChatFX/Commands/ChatFXCommand(40): pocketmine\utils\Utils::errorExceptionHandler(integer 8, string[51] Trying to access array offset on value of type null, string[89] phar:///home/container/plugins/ChatFX.phar/src/Alacksch/ChatFX/Commands/ChatFXCo, integer 40, array[3])
[10:31:33] [Server thread/CRITICAL]: #1 plugins/ChatFX.phar/src/Alacksch/ChatFX/libs/jojoe77777/FormAPI/Form(46): Alacksch\ChatFX\Commands\ChatFXCommand->Alacksch\ChatFX\Commands\{closure}(object JackMD\NameSpaceRemover\CustomPlayer, NULL )
[10:31:33] [Server thread/CRITICAL]: #2 pmsrc/src/pocketmine/Player(3676): Alacksch\ChatFX\libs\jojoe77777\FormAPI\Form->handleResponse(object JackMD\NameSpaceRemover\CustomPlayer, NULL )
[10:31:33] [Server thread/CRITICAL]: #3 pmsrc/src/pocketmine/network/mcpe/PlayerNetworkSessionAdapter(259): pocketmine\Player->onFormSubmit(integer 15, NULL )
[10:31:33] [Server thread/CRITICAL]: #4 pmsrc/src/pocketmine/network/mcpe/protocol/ModalFormResponsePacket(49): pocketmine\network\mcpe\PlayerNetworkSessionAdapter->handleModalFormResponse(object pocketmine\network\mcpe\protocol\ModalFormResponsePacket)
[10:31:33] [Server thread/CRITICAL]: #5 pmsrc/src/pocketmine/network/mcpe/PlayerNetworkSessionAdapter(109): pocketmine\network\mcpe\protocol\ModalFormResponsePacket->handle(object pocketmine\network\mcpe\PlayerNetworkSessionAdapter)
[10:31:33] [Server thread/CRITICAL]: #6 pmsrc/src/pocketmine/network/mcpe/protocol/BatchPacket(130): pocketmine\network\mcpe\PlayerNetworkSessionAdapter->handleDataPacket(object pocketmine\network\mcpe\protocol\ModalFormResponsePacket)
[10:31:33] [Server thread/CRITICAL]: #7 pmsrc/src/pocketmine/network/mcpe/PlayerNetworkSessionAdapter(109): pocketmine\network\mcpe\protocol\BatchPacket->handle(object pocketmine\network\mcpe\PlayerNetworkSessionAdapter)
[10:31:33] [Server thread/CRITICAL]: #8 pmsrc/src/pocketmine/Player(3323): pocketmine\network\mcpe\PlayerNetworkSessionAdapter->handleDataPacket(object pocketmine\network\mcpe\protocol\BatchPacket)
[10:31:33] [Server thread/CRITICAL]: #9 pmsrc/src/pocketmine/network/mcpe/RakLibInterface(169): pocketmine\Player->handleDataPacket(object pocketmine\network\mcpe\protocol\BatchPacket)
[10:31:33] [Server thread/CRITICAL]: #10 pmsrc/vendor/pocketmine/raklib/src/server/ServerHandler(95): pocketmine\network\mcpe\RakLibInterface->handleEncapsulated(string[18] 136.158.11.7 46421, object raklib\protocol\EncapsulatedPacket, integer 0)
[10:31:33] [Server thread/CRITICAL]: #11 pmsrc/src/pocketmine/network/mcpe/RakLibInterface(109): raklib\server\ServerHandler->handlePacket()
[10:31:33] [Server thread/CRITICAL]: #12 pmsrc/src/pocketmine/network/mcpe/RakLibInterface(99): pocketmine\network\mcpe\RakLibInterface->process()
[10:31:33] [Server thread/CRITICAL]: #13 pmsrc/vendor/pocketmine/snooze/src/SleeperHandler(113): pocketmine\network\mcpe\RakLibInterface->pocketmine\network\mcpe\{closure}()
[10:31:33] [Server thread/CRITICAL]: #14 pmsrc/vendor/pocketmine/snooze/src/SleeperHandler(75): pocketmine\snooze\SleeperHandler->processNotifications()
[10:31:33] [Server thread/CRITICAL]: #15 pmsrc/src/pocketmine/Server(2155): pocketmine\snooze\SleeperHandler->sleepUntil(double 1633516293.0831)
[10:31:33] [Server thread/CRITICAL]: #16 pmsrc/src/pocketmine/Server(1992): pocketmine\Server->tickProcessor()
[10:31:33] [Server thread/CRITICAL]: #17 pmsrc/src/pocketmine/Server(1586): pocketmine\Server->start()
[10:31:33] [Server thread/CRITICAL]: #18 pmsrc/src/pocketmine/PocketMine(314): pocketmine\Server->__construct(object BaseClassLoader, object pocketmine\utils\MainLogger, string[16] /home/container/, string[24] /home/container/plugins/)
[10:31:33] [Server thread/CRITICAL]: #19 pmsrc/src/pocketmine/PocketMine(344): pocketmine\server()
[10:31:33] [Server thread/CRITICAL]: #20 pmsrc(11): require(string[71] phar:///home/container/PocketMine-MP.phar/src/pocketmine/PocketMine.php)
[10:31:33] [Server thread/INFO]: [StaffChat] [Staff] xKurt21 disconnected```