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Metadata issue - invalid file, please ensure that uploading correct 2020-10-05t10:46:27.251z

**Originated From:** [https://products.aspose.app/slides/metadata/pptx/navigation/errorReportForm](https://products.aspose.app/slides/metadata/pptx/navigation/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 the problematic file with us and we’ll look into this issue. We couldn’t reproduce this issue using sample Slide file.