**Originated From:** [https://products.aspose.app/slides/viewer/navigation/errorReportForm/errorReportSuccess/errorReportForm](https://products.aspose.app/slides/viewer/navigation/errorReportForm/errorReportSuccess/errorReportForm)
**Exception:** Invalid file, please ensure that uploading correct file
{"IsSuccess":false,"idError":"InvalidFile","Message":"Error writing MIME multipart body part to output stream."} undefined
Error on zipping file System.ArgumentNullException: Value cannot be null. Parameter name: paths at System.IO.Path.Combine(String[] paths) at Aspose.App.Helpers.PathSafe.GenerateAndValidate(String baseDir, String[] parts) at Aspose.App.Services.Error2Forum.Error2ForumService.d__4.MoveNext()
Please share a problematic file and we’ll look into this issue. As it couldn’t be reproduced using sample Slide file.