In product custom option type is File. I allow only png, jpeg, txt, pdf extension.

In place order time when I select PDF, it's work. A custom option also select.

But when we open that file (pub/media/custom_options/quote/n/e/jMvJIA50kksnMXL1gxcC0um5Hm0vL0HA) it displays error.

enter image description here

  • Give pub folder 777 permission and check. – Sweety Masmiya Aug 24 '19 at 11:50
  • no is not permission issue . it has no extension thats why it generate error i just rename with .pdf extension and it open – HaFiz Umer Aug 24 '19 at 12:00
  • @HaFiz Umer Please check updated answer – Shafeel Sha Aug 24 '19 at 12:48

I Think the Generated Document has no Proper File Extension

So Please try to add .pdf after file name (in your case the file name should jMvJIA50kksnMXL1gxcC0um5Hm0vL0HA.pdf) then open Document , Also check your code properly add the document extension for fix this issue permanently

ex: your_filename.pdf

Hope this help you , Thanks

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