Error opening form

When I try to open the forms in my account, I receive this message:

Failed to execute ‘insertAdjacentHTML’ on ‘Element’: The provided markup is invalid XML, and therefore cannot be inserted into an XML document.

Can you please help me? Thank you in advance!

Welcome to the community @jetfransen, can you share a screenshot of what you are experiencing with the community for better assistance to solve the issue?

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@jetfransen, kindly please also let the community know when you get the error message. I mean do you get it when trying to open a blank form or when trying to edit a submission from the server? In addition, knowing the server you are using should also be helpful for the community to troubleshoot the issue.

@surveyorjr @Kal_Lam Thank you for your response!

Below the screenshot (unfortunately in Dutch).

When I try to open a blank form I get the error message. I am using Google Chrome as server.

Thank you so much for your further assistance.

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I receive this message when I click ‘open’ on this screen:

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Hi @jetfransen, from the screenshot you have provided, it appears that your XLSForm has some markup or rather styling which is not compatible with the XML format when it’s now in use.

You can do two things:

  1. You can use the Online XLS Validator to see where this is occurring ODK - XLSForm Online (I highly recommend this option)

OR

  1. You can share the XLSForm here and the community can try to assist.
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@jetfransen. if you are using the styling prompts, then you could refer to this site here for the samples that are supported …

image