Unexplained crash

[WesternIndustrial]

Hi We have a simple pdf 2 pages with some fillable text boxes and check boxes, we get a crash at open with the following error reported.
Spire is giving me
ERROR2016-07-26 01:33:51 – Load Controls Error
System.ArgumentException: Parameter is not valid.
at System.Drawing.Graphics.set_Transform(Matrix value)
at spr?.?(Single A_0, Single A_1, Single A_2, Single A_3, Single A_4, Single A_5)
at spr?.?(String[] A_0, String A_1)
at spr?.?(spr? A_0)
at spr?.?(Boolean A_0)
at spr?.?()
at Spire.Pdf.PdfDocumentBase.?(Int32 A_0)
at Spire.Pdf.PdfDocumentBase.?(Int32 A_0, PdfImageType A_1)
at Spire.Pdf.PdfDocument.SaveAsImage(Int32 pageIndex, PdfImageType type)
at Base.PDFForm.LoadControls()
ERROR2016-07-26 01:34:28 – Utility:CreateFileInfo3 XSD filename is blank for file C:\ProgramData\Task Safe Remote\JSA\CompletedForms\_PW-Confined Space Entry Plan_20160726133428.wdf
INFO 2016-07-26 01:34:32 – File C:\ProgramData\Task Safe Remote\JSA\CompletedForms\_PW-Confined Space Entry Plan_20160726133428.wdf deleted by user

I can’t see anything in the pdf that would cause a problem, very basic

Mike

[Betsy]

Dear Mike,

Thanks for your feedback.
Did you get the error when loading the document ? I can load the document you provided with Spire.PDF Pack(Hot Fix) Version:3.7.106 normally. Please try to use this version.
If not, please provide us the codes which encounted this issue, thanks.

Sincerely,
Betsy
E-iceblue support team