Fatal error: Declaration of apart\weather\Main::onCommand(apart\weather\CommandSender $sender, apart\weather\Command $command, string $label, array $args): bool must be compatible with pocketmine\plugin\PluginBase::onCommand(pocketmine\command\CommandSender $sender, pocketmine\command\Command $command, string $label, array $args): bool in D:\PMMP\plugins\weather\src\apart\weather\Main.php on line 12