Fika server 2.3.4版一直报错是什么情况，有没有大佬帮忙看看？

Fika server 2.3.4版一直报错，如下：

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[2024-12-26T11:14:59.303Z] error: TypeError: Cannot read properties of undefined (reading 'characters')

[2024-12-26T11:14:59.307Z] error: TypeError: Cannot read properties of undefined (reading 'characters')

[2024-12-26T11:14:59.310Z] error: TypeError: Cannot read properties of undefined (reading 'characters')

    at TraderAssortHelper.getAssort (C:\snapshot\src\helpers\TraderAssortHelper.ts:64:40)

    at RagfairHelper.getDisplayableAssorts (C:\snapshot\src\helpers\RagfairHelper.ts:91:60)

    at RagfairController.getOffers (C:\snapshot\src\controllers\RagfairController.ts:95:50)

    at RagfairCallbacks.search (C:\snapshot\src\callbacks\RagfairCallbacks.ts:74:65)

    at RouteAction.action (C:\snapshot\src\routers\static\RagfairStaticRouter.ts:33:50)

    at RagfairStaticRouter.handleStatic (C:\snapshot\src\di\Router.ts:41:63)

    at HttpRouter.handleRoute (C:\snapshot\src\routers\HttpRouter.ts:61:68)

    at HttpRouter.getResponse (C:\snapshot\src\routers\HttpRouter.ts:34:36)

    at HttpRouter.getResponse (C:\myfile\SPT-3.10.4-33420-5a15aa3\user\mods\fika-server\src\overrides\routers\HttpRouter.ts:25:63)

    at SptHttpListener.getResponse (C:\snapshot\src\servers\http\SptHttpListener.ts:151:44)

[2024-12-26T11:14:59.306Z] error: TypeError: Cannot read properties of undefined (reading 'characters')

    at TraderAssortHelper.getAssort (C:\snapshot\src\helpers\TraderAssortHelper.ts:64:40)

    at RagfairHelper.getDisplayableAssorts (C:\snapshot\src\helpers\RagfairHelper.ts:91:60)

    at RagfairController.getOffers (C:\snapshot\src\controllers\RagfairController.ts:95:50)

    at RagfairCallbacks.search (C:\snapshot\src\callbacks\RagfairCallbacks.ts:74:65)

    at RouteAction.action (C:\snapshot\src\routers\static\RagfairStaticRouter.ts:33:50)

    at RagfairStaticRouter.handleStatic (C:\snapshot\src\di\Router.ts:41:63)

    at HttpRouter.handleRoute (C:\snapshot\src\routers\HttpRouter.ts:61:68)

    at HttpRouter.getResponse (C:\snapshot\src\routers\HttpRouter.ts:34:36)

    at HttpRouter.getResponse (C:\myfile\SPT-3.10.4-33420-5a15aa3\user\mods\fika-server\src\overrides\routers\HttpRouter.ts:25:63)

    at SptHttpListener.getResponse (C:\snapshot\src\servers\http\SptHttpListener.ts:151:44)

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