# Blazor template issue

**URL:** <https://pdfjs.community/t/blazor-template-issue/2035>\
**Category:** Bug Reports\
**Created:** [September 15, 2022, 1:38pm UTC](https://pdfjs.community/t/blazor-template-issue/2035 "2022-09-15T13:38:27Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![wesley.canneyt](https://avatars.discourse-cdn.com/v4/letter/w/3d9bf3/32.png) [@wesley.canneyt](https://pdfjs.community/u/wesley.canneyt)\
**Post date:** [September 15, 2022, 1:38pm UTC](https://pdfjs.community/t/blazor-template-issue/2035/1 "2022-09-15T13:38:27Z")

</div>

We have integrated PDFJS Express in our Blazor wasm app.  
After integrating the component we see the following when loading a pdf:  
 ![error](https://canada1.discourse-cdn.com/flex031/uploads/pdfjscommunity/original/1X/21cfbd4a476f4174d6e1d9a7cc61b22f6b5632fc.png)

The error happens right after  
“.loadDocument(base64ToBlob(value.fileBase64), { filename: value.fileName,extension: ‘pdf’ });”

After a while searching we started from scratch again and downloaded the template files for blazor from the url: [Integrate JavaScript PDF Library & Blazor | PDF.js Express Viewer SDK](https://pdfjs.express/documentation/get-started-viewer/blazor/new-project)  
" Get the Blazor sample source code here"

The same error keeps occuring.  
I guess there’s some other things also not ok, when we search for text we also get errors.

How can we solve these issues?

gr

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<div class="post-metadata">

**Author:** ![zserviss](https://avatars.discourse-cdn.com/v4/letter/z/a9a28c/32.png) [@zserviss](https://pdfjs.community/u/zserviss)\
**Post date:** [September 20, 2022, 3:53pm UTC](https://pdfjs.community/t/blazor-template-issue/2035/3 "2022-09-20T15:53:00Z")

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Hi Wesley,

Thank you for pointing this out. Currently investigating the issue.

Best Regards,  
Zach Serviss  
Web Development Support Engineer  
PDFTron Systems, Inc.

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