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Unable to log in to Planning Analytics for Excel - System.Runtime.Serialization.SerializationException

Troubleshooting


Problem

Users are unable to log in to Planning Analytics for Excel

Symptom

image 8417

System.Runtime.Serialization.SerializationException: Type 'Cognos.Office.Tm1.Connections.Tm1WebException' in Assembly 'TM1.Common, Version=11.0.52.9, Culture=neutral, PublicKeyToken=d6e6d7d808b7e5b7' is not marked as serializable.
Server stack trace: 
   at System.Runtime.Serialization.Formatters.Binary.WriteObjectInfo.InitSerialize(Object obj, ISurrogateSelector surrogateSelector, StreamingContext context, SerObjectInfoInit serObjectInfoInit, IFormatterConverter converter, ObjectWriter objectWriter, SerializationBinder binder)
   at System.Runtime.Serialization.Formatters.Binary.WriteObjectInfo.Serialize(Object obj, ISurrogateSelector surrogateSelector, StreamingContext context, SerObjectInfoInit serObjectInfoInit, IFormatterConverter converter, ObjectWriter objectWriter, SerializationBinder binder)
   at System.Runtime.Serialization.Formatters.Binary.ObjectWriter.Serialize(Object graph, Header[] inHeaders, __BinaryWriter serWriter, Boolean fCheck)
   at System.Runtime.Serialization.Formatters.Binary.BinaryFormatter.Serialize(Stream serializationStream, Object graph, Header[] headers, Boolean fCheck)
   at System.Runtime.Remoting.Channels.CrossAppDomainSerializer.SerializeMessageParts(ArrayList argsToSerialize)
   at System.Runtime.Remoting.Messaging.SmuggledMethodReturnMessage..ctor(IMethodReturnMessage mrm)
   at System.Runtime.Remoting.Messaging.SmuggledMethodReturnMessage.SmuggleIfPossible(IMessage msg)
   at System.Runtime.Remoting.Channels.CrossAppDomainSink.DoDispatch(Byte[] reqStmBuff, SmuggledMethodCallMessage smuggledMcm, SmuggledMethodReturnMessage& smuggledMrm)
   at System.Runtime.Remoting.Channels.CrossAppDomainSink.DoTransitionDispatchCallback(Object[] args)

Document Location

Worldwide

[{"Line of Business":{"code":"LOB76","label":"Data Platform"},"Business Unit":{"code":"BU048","label":"IBM Software"},"Product":{"code":"SSCTEW","label":"IBM Planning Analytics Local"},"ARM Category":[{"code":"a8m50000000KzIzAAK","label":"Planning Analytics Workspace"},{"code":"a8m50000000KzJ4AAK","label":"Planning Analytics for Microsoft Excel"}],"ARM Case Number":"TS004659720","Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"All Version(s)"},{"Product":{"code":"SSKVSF","label":"Planning Analytics on Cloud"},"Business Unit":{"code":"BU048","label":"IBM Software"},"Component":" ","Platform":[{"code":"","label":""}],"Version":"","Edition":"","Line of Business":{"code":"LOB76","label":"Data Platform"}}]

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Document Information

Modified date:
09 May 2025

UID

ibm16415919