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Question

Cannot access uninitialized variable.

  • May 27, 2025
  • 6 replies
  • 12 views

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Getting a "Cannot access uninitialized variable" error using Safari browser. 

Files won't preview or download. 

This seems to be a bug in the system. When can we expect a fix?

6 replies

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  • Author
  • Box Employee
  • 34738 replies
  • May 27, 2025

Hi Inika, 

Welcome to Box Community and glad to assist! 

At this time, can you please run the following troubleshooting steps? 

  • Updating your browser to the latest version
  • Clearing your browser's cache
  • Using Box with an alternate browser, computer, or network.
  • Temporarily disabling any internet security/firewall programs to test whether they conflict with Box (Note: you may need clearance or assistance from your organization’s IT department/helpdesk to do this)
  • Temporarily disabling any plugins/extensions in your browser
  • Removing unwanted extensions, plug-ins, ads, pop-ups & malware:

Hope it helps! 


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  • Author
  • Box Employee
  • 34738 replies
  • May 27, 2025

Hi, me and a few of my colleagues are experiencing the same issue.
We use different browsers and have tried the steps suggested above.

Anything else we can try?

Thank you


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  • Author
  • Box Employee
  • 34738 replies
  • May 27, 2025

We also have the same problem. 


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  • Author
  • Box Employee
  • 34738 replies
  • May 27, 2025

I also have the same problem. Am using Safari on iMac. I want to send my clients a link to view some PDFs but not if they're going to get the same problem!


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  • Author
  • Box Employee
  • 34738 replies
  • May 27, 2025

I am also getting the same message, it seemed to have started when I went to a paid subscription for adobe. Is there any work around?

 


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  • Author
  • Box Employee
  • 34738 replies
  • May 27, 2025

I'm using the Brave browser on my iPhone & cleared my browser cache, but still experienced the Cannot access uninitialized variable error when trying to view a Box file as shown in the screen shot.

How do I resolve this issue?

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