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Internal Server Error on FIleHandler

Anonymous
2016-10-14T12:44:36+00:00

When opening any document library we experience an 500 Internal Server error on a call to GetByType('FileHandler'). We assumed this was due to our development of a custom type handler.

However, this problem is reproducible on all SharePoint online instances  we have access to, not just our development instance. We have asked on external person to verify this as well and he was able to reproduce as well.

The _api/apps/GetByType('FileHandler') call results in the following error message:

{"odata.error":{"code":"-1, Microsoft.Azure.ActiveDirectory.GraphClient.AuthorizationException","message":{"lang":"en-US","value":"Insufficient privileges to complete the operation."}}}

Can you please investigate?

Please let us know if we can provide you with additional information to diagnose this issue.

Screenshot: ![](https://learn-attachment.microsoft.com/api/attachments/23ca4c43-b498-41d4-bf40-b6334a597ede?platform=QnA)

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Microsoft 365 and Office | SharePoint | For business | Windows

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Anonymous
2016-10-26T03:10:42+00:00

Hi All,

We have received updates from our escalation team that the issue has been resolved and the ticket has been closed. Therefore, we’d like to share a summary here.

============

Description:

When accessing SharePoint document libraries in Chrome, you can see the “GET https://contoso.sharepoint.com/\_api/apps/GetByType('FileHandler') 500 (Internal Server Error)” from the Chrome Development Tool.

Solution:

Our engineering team has provided a fix to resolve this issue.

============

If you have any other questions feel free to post us a new thread, we will continue to assist you from there.

Regards,

Spike

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  1. Anonymous
    2016-10-27T11:16:52+00:00

    Hi Siimav,

    Good to know the issue has been resolved.

    While there is no ETA for the fix of FileHandler functionality in Modern UI. If you have further questions, please contact our escalation engineer for further troubleshooting.

    Thanks for your understanding.

    Spike

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  2. Anonymous
    2016-10-26T08:04:31+00:00

    Hi Spike,

    I can confirm that the 500 (Internal Server Error) has been resolved. Thanks!

    However do you have any estimate on when will the FileHandler funtionality be enabled again with the Modern UI?The custom icons and appredirects were working properly for 3-4 months and broke only recently. Also, I can't find any information that these should not work on the modern UI in this MSDN article.

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  3. Anonymous
    2016-10-21T08:52:50+00:00

    Hi Spike,

    Alright, I will! Thanks!

    Tom

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  4. Anonymous
    2016-10-21T08:49:19+00:00

    Hi Tom,

    We have engaged our related team to investigate this issue. They will contact you and your Office 365 global admin directly via email for further troubleshooting. Please pay attention to your mailbox and keep working on the issue with them. We will share the solution to the community once you have confirmed that this issue has been resolved. Community members will be benefited from the outcome of this issue.

    Regards,

    Spike

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