Excel File Importer - XLSX format

Hi All,  Having an issue with the Excel Importer when trying to upload from an XLSX file, I can however import from an XLS file.  Error being thrown (Replication_MetaInfo): System.NullReferenceException: Object reference not set to an instance of an object.    at Mendix.Modeler.M2EEGui.ShowLogLineDetailsForm..ctor(LogLine line) in C:\jenkins-ci\workspace\AppStudio3.0-Build@3\modeler\Mendix.Modeler.M2EEGui\ShowLogLineDetailsForm.cs:line 20    at Mendix.Modeler.M2EEGui.M2EELoggingControl.grdMessages_CellDoubleClick(Object sender, DataGridViewCellEventArgs e) in C:\jenkins-ci\workspace\AppStudio3.0-Build@3\modeler\Mendix.Modeler.M2EEGui\M2EELoggingControl.cs:line 193    at System.Windows.Forms.DataGridView.OnCellDoubleClick(DataGridViewCellEventArgs e)    at System.Windows.Forms.DataGridView.OnDoubleClick(EventArgs e)    at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks)    at System.Windows.Forms.Control.WndProc(Message& m)    at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)  
1 answers

This means that the log line is empty.

The error that is thrown is a bug that will be fixed in the upcoming release (Mendix 8.1.0)