Yammer Windows Phone SDK - File Load Exception

[dheerapk]

Hi,

Iam using yammer SDK in Windows Phone App, The Project have MainProject and Service Project both are referred toYammer SDK. The Strange things is While running the App it throws error file not found excpetion. Please error details below.

Exception Message :
Could not load file or assembly 'Yammer.Oss.Api.Dtos, Version=0.5.5.1, Culture=neutral, PublicKeyToken=null' or one of its dependencies. The located assembly's manifest definition does not match the assembly reference. (Exception from HRESULT: 0x80131040)

StackTrace:
at VoS.Services.YammerService.QueryYammer(Uri uri)
at VoS.Services.YammerService.SyncYammerGroup(String groupId, Int32 lastMessageId)
at VoS.Services.YammerService.GetGroupMessages(String groupId, Int32 lastMessageId)
at VoS.Services.DataService.<>c__DisplayClass3d.b__3c()
at System.Threading.Tasks.Task.InnerInvoke()
at System.Threading.Tasks.Task.Execute()

Please help me to solve this.