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Question

MacOS Catalina/Safari Error with Document Preview

  • May 27, 2025
  • 2 replies
  • 15 views

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Hello!

I have a user on MacOS Catalina, which is the newest OS they can run. They are receiving the error 'cannot access uninitialized variable' when trying to preview documents in Box when the user is using Safari. This error does not pull up when looking at the website on Chrome. We've tried clearing the cookies/cache/history, ensuring Safari is fully up to date, and no plug-ins are enabled (that I can see). Not sure what else to do.

The Chrome workaround is okay, but my user would prefer to use Safari.

2 replies

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Hi Samantha, 

Welcome to Box Community and happy to assist!

As much as we wanted to address this issue with you. Your Enterprise account has a designated team that works closely with Box Premier Services.

At this rate, please get in touch with your internal helpdesk team for immediate assistance.

Thanks for posting!


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Hello!  I'm having the same issue.  Any help is appreciated. Thanks!