I'm on DNN Platform 9.1.1 and trying to perform an export.

I'm getting an exception with message "A local file header is corrupt".

See all the details here:

ExceptionHash:Fk2zywi//fzlo1bNWGTRghf/i+Y=

Message:A local file header is corrupt.

StackTrace:

   at System.IO.Compression.ZipArchive.Init(Stream stream, ZipArchiveMode mode, Boolean leaveOpen)
   at System.IO.Compression.ZipArchive..ctor(Stream stream, ZipArchiveMode mode, Boolean leaveOpen, Encoding entryNameEncoding)
   at System.IO.Compression.ZipFile.Open(String archiveFileName, ZipArchiveMode mode, Encoding entryNameEncoding)
   at Dnn.ExportImport.Components.Common.CompressionUtil.OpenCreate(String archiveFileName)
   at Dnn.ExportImport.Components.Common.CompressionUtil.AddFileToArchive(String file, String archivePath, Int32 folderOffset, String folder)
   at Dnn.ExportImport.Components.Services.ThemesExportService.ExportData(ExportImportJob exportJob, ExportDto exportDto)
   at Dnn.ExportImport.Components.Engines.ExportImportEngine.Export(ExportImportJob exportJob, ExportImportResult result, ScheduleHistoryItem scheduleHistoryItem)
   at Dnn.ExportImport.Components.Scheduler.ExportImportScheduler.DoWork()
	

InnerMessage:

InnerStackTrace:

Source:System.IO.Compression

FileName:

FileLineNumber:0

FileColumnNumber:0