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Error "TypeError: Cannot read property 'trim' of undefined" when reading a topic in a discussion

    Question

  • Hi,

    I have created a discussion in Sharepoint online but it is impossible to read this discussion.

    When I click on the thread title I receive this error:

    TypeError: Cannot read property 'trim' of undefined

    I do not understand why.

    Do you have an idea?

    Thanks

    Wednesday, December 14, 2016 12:45 PM

All replies

  • Hi David,

    For this issue, please verify the things below:

    1. Does this issue occur with all the discussions? Please create a new discussion board list to see what happens.
    2. Does this issue occur with all the users? Please test with another user account to see what happens.

    Please also use Fiddler to track the requests to see if there are any errors returned.

    Best Regards,

    Victoria

    Please remember to mark the replies as answers if they help.
    If you have feedback for TechNet Subscriber Support, contact tnmff@microsoft.com

    Thursday, December 15, 2016 10:19 AM
    Moderator