新人求助 ，新人求助

[错误] Server:0.12.4-R2-0408开发版

[错误] Trace:

TypeError: Cannot read property '_props' of undefined

    at Object.getPurchasesData (D:\yx\tltkf\Server\src\classes\trader.js:219:61)

    at Object.getProfilePurchases [as /client/trading/api/getUserAssortPrice/trader/] (D:\yx\tltkf\Server\src\responses\trader.js:14:91)

    at Router.getResponse (D:\yx\tltkf\Server\core\server\router.js:40:53)

    at Server.sendResponse (D:\yx\tltkf\Server\core\server\server.js:138:29)

    at Inflate.cb (D:\yx\tltkf\Server\core\server\server.js:171:28)

    at Inflate.zlibBufferOnEnd (zlib.js:139:10)

    at Inflate.emit (events.js:228:7)

    at endReadableNT (_stream_readable.js:1185:12)

    at processTicksAndRejections (internal/process/task_queues.js:81:21)

  这是啥意思，已经重新安装过了