this is an error our clients have been getting sporadically in our production environment when trying to merge xls files together and save the merged file using Aspose.Cells.Workbook.Save(string path) method. i’ve attached a sample .net console app project that you should be able to run and reproduce the issue. please advise on how to resolve this.
After an initial test, I have found the issue/error using your project. I have logged a ticket for the issue with an id: CELLSNET-29163. We will figure it out soon.