求助：

TypeError: undefined is not a function

TypeError: undefined is not a function

    at SeasonalEventService.removeChristmasItemsFromBotInventory (C:\snapshot\project\obj\services\SeasonalEventService.js)

    at BotGenerator.generateBot (C:\snapshot\project\obj\generators\BotGenerator.js)

    at BotGenerator.prepareAndGenerateBots (C:\snapshot\project\obj\generators\BotGenerator.js)

    at BotController.generate (C:\snapshot\project\obj\controllers\BotController.js)

    at BotCallbacks.generateBots (C:\snapshot\project\obj\callbacks\BotCallbacks.js)

    at RouteAction.action (C:\snapshot\project\obj\routers\static\BotStaticRouter.js)

    at BotStaticRouter.handleStatic (C:\snapshot\project\obj\di\Router.js)

    at HttpRouter.handleRoute (C:\snapshot\project\obj\routers\HttpRouter.js)

    at HttpRouter.getResponse (C:\snapshot\project\obj\routers\HttpRouter.js)

    at AkiHttpListener.getResponse (C:\snapshot\project\obj\servers\http\AkiHttpListener.js)

TypeError: undefined is not a function

TypeError: undefined is not a function

    at SeasonalEventService.removeChristmasItemsFromBotInventory (C:\snapshot\project\obj\services\SeasonalEventService.js)

    at BotGenerator.generateBot (C:\snapshot\project\obj\generators\BotGenerator.js)

    at BotGenerator.prepareAndGenerateBots (C:\snapshot\project\obj\generators\BotGenerator.js)

    at BotController.generate (C:\snapshot\project\obj\controllers\BotController.js)

    at BotCallbacks.generateBots (C:\snapshot\project\obj\callbacks\BotCallbacks.js)

    at RouteAction.action (C:\snapshot\project\obj\routers\static\BotStaticRouter.js)

    at BotStaticRouter.handleStatic (C:\snapshot\project\obj\di\Router.js)

    at HttpRouter.handleRoute (C:\snapshot\project\obj\routers\HttpRouter.js)

    at HttpRouter.getResponse (C:\snapshot\project\obj\routers\HttpRouter.js)

    at AkiHttpListener.getResponse (C:\snapshot\project\obj\servers\http\AkiHttpListener.js)

 大佬帮帮忙吧 这是什么问题  装了一个 全BOSS的修改。