webapi登录报错"金蝶温馨提示: 应用服务器发生错误，请

webapi登录报错"金蝶温馨提示: 应用服务器发生错误，请联系系统管理员检修！"
Kingdee.BOS.WebApi.ServicesStub.AuthService.ValidateUser.common.kdsvc

{"actionname":"ShowErrMsg","params":[{"errorTitle":"金蝶温馨提示: 应用服务器发生错误，请联系系统管理员检修！","errorInfo":"发生时间：\t11:52:07\r\n错误编号：\t500\r\n错误信息：\tAfter parsing a value an unexpected character was encountered: 5. Line 1, position 74.\r\n===================================================\r\n调用堆栈：\r\n\r\n 在 Newtonsoft.Json.JsonTextReader.ParsePostValue(Char currentChar)\r\n 在 Newtonsoft.Json.JsonTextReader.ReadInternal()\r\n 在 Kingdee.BOS.JSON.JSONObjectConverter.ReadJson(JsonReader reader, Type objectType, Object existingValue, JsonSerializer serializer)\r\n 在 Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CreateValueNonProperty(JsonReader reader, Type objectType, JsonContract contract)\r\n 在 Newtonsoft.Json.JsonConvert.DeserializeObject(String value, Type type, JsonSerializerSettings settings)\r\n 在 Newtonsoft.Json.JsonConvert.DeserializeObject(String value, Type type, JsonConverter[] converters)\r\n 在 Kingdee.BOS.ServiceFacade.KDServiceFx.JQueryRequestExtractor.GetByPost(HttpRequest request)\r\n 在 Kingdee.BOS.ServiceFacade.KDServiceFx.KDSVCHandler.ProcessRequest(HttpContext context)\r\n 在 System.Web.HttpApplication.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()\r\n 在 System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)\r\n

\r\n发生时间：\t11:52:07\r
错误编号：\t500\r
错误信息：\tAfter parsing a value an unexpected character was encountered: 5. Line 1, position 74.\r
===================================================\r
调用堆栈：\r
在 Newtonsoft.Json.JsonTextReader.ParsePostValue(Char currentChar)\r
在 Newtonsoft.Json.JsonTextReader.ReadInternal()\r
在 Kingdee.BOS.JSON.JSONObjectConverter.ReadJson(JsonReader reader, Type objectType, Object existingValue, JsonSerializer serializer)\r
在 Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CreateValueNonProperty(JsonReader reader, Type objectType, JsonContract contract)\r
在 Newtonsoft.Json.JsonConvert.DeserializeObject(String value, Type type, JsonSerializerSettings settings)\r
在 Newtonsoft.Json.JsonConvert.DeserializeObject(String value, Type type, JsonConverter[] converters)\r
在 Kingdee.BOS.ServiceFacade.KDServiceFx.JQueryRequestExtractor.GetByPost(HttpRequest request)\r
在 Kingdee.BOS.ServiceFacade.KDServiceFx.KDSVCHandler.ProcessRequest(HttpContext context)\r
在 System.Web.HttpApplication.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()\r
在 System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)\r\n"}]}