Configuration Migration Error – Email Entity – Cannot specify child attributes in the columnset for Retrieve. Attribute: safedescription (Stream was too long?)

Forum Post: Change the Filter On option on Opportunity Associated View for Account form

I am getting this one error that is currently stopping me from exporting my CRM 2016 on-premise installation to Online… Anyone have any advice on how to either fix or bypass this error? I imagine it’s probably from a very long email description (body) that needs to get truncated? I don’t see how to move past this error… any assistance or suggestions would be appreciated.

DataMigrationUtility.Export Error 2 3/3/2017 12:09:47 AM Message: Exception Raised when Serializing Microsoft.Xrm.Tooling.Dmt.DataMigCommon.DataModel.Data.entities
Source : System.Xml
Method : Serialize
Date : 3/3/2017
Time : 12:09:42 AM
Error : There was an error generating the XML document.
Stack Trace : at System.Xml.Serialization.XmlSerializer.Serialize(XmlWriter xmlWriter, Object o, XmlSerializerNamespaces namespaces, String encodingStyle, String id)
at System.Xml.Serialization.XmlSerializer.Serialize(Stream stream, Object o, XmlSerializerNamespaces namespaces)
at Microsoft.Xrm.Tooling.Dmt.DataMigCommon.Utility.Helper.Serialize[T](Object objToSerialize)
Inner Exception Level 1 :
Source : mscorlib
Method : Write
Date : 3/3/2017
Time : 12:09:43 AM
Error : Stream was too long.
Stack Trace : at System.IO.MemoryStream.Write(Byte[] buffer, Int32 offset, Int32 count)
at System.IO.StreamWriter.Flush(Boolean flushStream, Boolean flushEncoder)
at System.IO.StreamWriter.Write(String value)
at System.Xml.XmlTextEncoder.Write(String text)
at System.Xml.XmlTextWriter.WriteString(String text)
at System.Xml.Serialization.XmlSerializationWriter.WriteAttribute(String localName, String ns, String value)
at Microsoft.Xml.Serialization.GeneratedAssembly.XmlSerializationWriterentities.Write4_entitiesEntityRecordField(String n, String ns, entitiesEntityRecordField o, Boolean isNullable, Boolean needType)
at Microsoft.Xml.Serialization.GeneratedAssembly.XmlSerializationWriterentities.Write5_entitiesEntityRecord(String n, String ns, entitiesEntityRecord o, Boolean isNullable, Boolean needType)
at Microsoft.Xml.Serialization.GeneratedAssembly.XmlSerializationWriterentities.Write10_entitiesEntity(String n, String ns, entitiesEntity o, Boolean isNullable, Boolean needType)
at Microsoft.Xml.Serialization.GeneratedAssembly.XmlSerializationWriterentities.Write11_entities(String n, String ns, entities o, Boolean isNullable, Boolean needType)
at Microsoft.Xml.Serialization.GeneratedAssembly.XmlSerializationWriterentities.Write12_entities(Object o)

DataMigrationUtility.Export Error 2 3/3/2017 12:09:49 AM Failed to create output file

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