Error Report: Couldn't read "PowerPoint Document" record

hi. some error happened when I new a Presentation object.

my core C# Code:


using Aspose.Slides;
string path= Path.GetFullPath("../../../data/");
Presentation presentation = new Presentation(path + "pure.ppt");
presentation.Save(path + "pure.pdf",Aspose.Slides.Export.SaveFormat.Pdf);


The Error Info:

Aspose.Slides.PptReadException
HResult=-2146233088
Message=Couldn't read "PowerPoint Document" record.
Source=Aspose.Slides
StackTrace:
at ns53.Class2363.method_9(Class1102 fs)
at ns53.Class2363..ctor(Class1102 fs, ILoadOptions loadOptions)
at ns13.Class831.method_0(Stream stream, ILoadOptions loadOptions)
at Aspose.Slides.Presentation.method_5(Stream stream)
at Aspose.Slides.Presentation.method_4(Stream stream)
at Aspose.Slides.Presentation..ctor(String file, LoadOptions loadOptions)
at Aspose.Slides.Presentation..ctor(String file)
at PdfUtils.Program.Main(String[] args) at F:\res\officeToPdfByAspose\OfficeToPdf\PdfUtils\Program.cs:line num 35
at System.AppDomain._nExecuteAssembly(RuntimeAssembly assembly, String[] args)
at System.AppDomain.ExecuteAssembly(String assemblyFile, Evidence assemblySecurity, String[] args)
at Microsoft.VisualStudio.HostingProcess.HostProc.RunUsersAssembly()
at System.Threading.ThreadHelper.ThreadStart_Context(Object state)
at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
at System.Threading.ThreadHelper.ThreadStart()
InnerException:
HResult=-2146233088
Message=Couldn't read [Class2080 Start
Self: Class2080, Header:RecordHeader, Type:0x3E8, Version:15, Instance:0, Length:0x0
Class2080 End
]
Source=Aspose.Slides
StackTrace:
at ns55.Class2328.smethod_2(BinaryReader reader, Class2329 stf, Class2039 parentRecord)
at ns55.Class2328.smethod_1(BinaryReader reader, Class2039 parentRecord)
at ns53.Class2363.method_7(MemoryStream stream, Int64 position, Class2039 parentRecord)
at ns53.Class2363.method_9(Class1102 fs)
InnerException:
HResult=-2146233088
Message=Couldn't read [NotDefined]
Source=Aspose.Slides
StackTrace:
at ns55.Class2328.smethod_2(BinaryReader reader, Class2329 stf, Class2039 parentRecord)
at ns55.Class2328.smethod_1(BinaryReader reader, Class2039 parentRecord)
at ns55.Class2055.vmethod_0(BinaryReader reader)
at ns53.Class2039.Read(BinaryReader reader, Class2321 hdr)
at ns55.Class2328.smethod_2(BinaryReader reader, Class2329 stf, Class2039 parentRecord)
InnerException:
HResult=-2146233088
Message= “System.Exception”。
Source=Aspose.Slides
StackTrace:
at ns55.Class2328.smethod_9(Class2321 header, Class2329 stf, Class2039 parentRecord)
at ns55.Class2328.smethod_2(BinaryReader reader, Class2329 stf, Class2039 parentRecord)
InnerException:


The xls file I try to open:

pure.xls at attachment files.



Environment:

.net 4.0
windows 10


Regards.

Hi,


Thank you for your interest in Aspose.Slides.

I have observed your comments and have worked with the files shared by you. I have not been able to reproduce the issue. I have attached the generated PDF file for your kind reference. Please try using Aspose.Slides for .NET 15.7.0 on your end and then share your kind feedback with us.

Please let us know if the issue persists. We will be happy to assist you further.

Best Regards,

hi.


I download the 15.7.0 version. And It’s work well.

Thank you.

Hi,


Thank you for sharing your valuable feedback with us.

We are glad to know that your issue is resolved and things have started working on your end.

Please feel free to contact us if we could be of any help to you.

Best Regards,