EBML: Exception System error in the VBA integration!

I try to use EBML import without succuss.
I receve one Aucotec.EngineeringBase.Client.ApplicationErrorException with message : System error in the VBA integration!

My code is :

            EBMLImportParameters importParams = new EBMLImportParameters();

            importParams.FileName = fileName;

            importParams.LogLevel = EBMLImportLogLevel.Debug;



            string resultFilename = null;

            project.ImportEBML(importParams, ref resultFilename);

With my xml file in attachment.