Aspose Excel throwing CellsException

Hi Team,
Can we get please get some help on the below issue.
When we are trying to process an xls file we are getting below exception

Thread [Thread-2] (Suspended (uncaught exception ThreadDeath))
Workbook.a(String, LoadOptions) line: not available
Workbook.(String) line: not available
ExcelParser$1.run() line: 87
Thread.run() line: 833

@mdispensa,

Please provide us the template file which caused exception so we can look into it.