我正在使用mongodb 3.4.17设置mongodb replSet（3个分片，1个配置服务器和1个路由器服务器）。在启动mongos进程时，它显示以下错误，请您告诉我如何解决此问题？
2019-06-07T22:18:09.991+0800 I CONTROL [initandlisten] options: { config: "E:\MongoDB\Server\3.2\mongodb\conf\shard2.conf", net: { bindIp: "0.0.0.0", http: { RESTInterfaceEnabled: true, enabled: true }, maxIncomingConnections: 20000, port: 39002 }, processManagement: { pidFilePath: "E:\MongoDB\Server\3.2\mongodb\shard2\log\shard2.pid" }, replication: { replSet: "shard2" }, service: true, sharding: { clusterRole: "shardsvr" }, storage: { dbPath: "E:\MongoDB\Server\3.2\mongodb\shard2\data" }, systemLog: { destination: "file", logAppend: true, path: "E:\MongoDB\Server\3.2\mongodb\shard2\log\shard2.log" } }
2019-06-07T22:18:09.993+0800 I - [initandlisten] Detected data files in E:\MongoDB\Server\3.2\mongodb\shard2\data created by the 'wiredTiger' storage engine, so setting the active storage engine to 'wiredTiger'.
2019-06-07T22:18:09.994+0800 I STORAGE [initandlisten] wiredtiger_open config: create,cache_size=2559M,session_max=20000,eviction=(threads_min=4,threads_max=4),config_base=false,statistics=(fast),log=(enabled=true,archive=true,path=journal,compressor=snappy),file_manager=(close_idle_time=100000),checkpoint=(wait=60,log_size=2GB),statistics_log=(wait=0),verbose=(recovery_progress),
2019-06-07T22:18:11.384+0800 E STORAGE [initandlisten] WiredTiger error (-31803) [1559917091:384020][3508:1991324544], txn-recover: Recovery failed: WT_NOTFOUND: item not found
2019-06-07T22:18:11.388+0800 I - [initandlisten] Assertion: 28595:-31803: WT_NOTFOUND: item not found src\mongo\db\storage\wiredtiger\wiredtiger_kv_engine.cpp 277
2019-06-07T22:18:11.388+0800 I STORAGE [initandlisten] exception in initAndListen: 28595 -31803: WT_NOTFOUND: item not found, terminating
2019-06-07T22:18:11.389+0800 I NETWORK [serviceStopWorker] shutdown: going to close listening sockets...
2019-06-07T22:18:11.389+0800 I NETWORK [serviceStopWorker] shutdown: going to flush diaglog...
2019-06-07T22:18:11.390+0800 I CONTROL [serviceStopWorker] now exiting