.Net remoting error "The input stream is not a valid binary format."

[sandeepbhutani304]

have 2 projects communicating each other with .NET remoting.

But when I am trying to call these functions I am getting the error:

The input stream is not a valid binary format. The starting contents (in bytes) are: 53-79-73-74-65-6D-2E-54-79-70-65-4C-6F-61-64-45-78 ...

Server stack trace:
at System.Runtime.Serialization.Formatters.Binary.Ser ializationHeaderRecord.Read(__BinaryParser input)
at System.Runtime.Serialization.Formatters.Binary.__B inaryParser.ReadSerializationHeaderRecord()
at System.Runtime.Serialization.Formatters.Binary.__B inaryParser.Run()
at System.Runtime.Serialization.Formatters.Binary.Obj ectReader.Deserialize(HeaderHandler handler, __BinaryParser serParser, Boolean fCheck, Boolean isCrossAppDomain, IMethodCallMessage methodCallMessage)
at System.Runtime.Serialization.Formatters.Binary.Bin aryFormatter.Deserialize(Stream serializationStream, HeaderHandler handler, Boolean fCheck, Boolean isCrossAppDomain, IMethodCallMessage methodCallMessage)
at System.Runtime.Remoting.Channels.CoreChannel.Deser ializeBinaryResponseMessage(Stream inputStream, IMethodCallMessage reqMsg, Boolean bStrictBinding)
at System.Runtime.Remoting.Channels.BinaryClientForma tterSink.SyncProcessMessage(IMessage msg)

Exception rethrown at [0]:
at System.Runtime.Remoting.Proxies.RealProxy.HandleRe turnMessage(IMessage reqMsg, IMessage retMsg)
at System.Runtime.Remoting.Proxies.RealProxy.PrivateI nvoke(MessageData& msgData, Int32 type)
at TSA.BusinessEntity.Interfaces.ILoginServices.Valid ateUserId(String fUserId)
at Common_AdminLogin.btnLogin_Click(Object sender, EventArgs e) in e:\Agencia\e032050_Agencia_Proj\Agencia_cvob\Agenc ia\WebApps\ACWeb\Common\AdminLogin.aspx.cs:line 186

please suggest where is the problem.

[Curtis Rutland]

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