Error when editing and viewing forms - MDA (across different apps, env, tenants and browsers)

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Posted on 13 Mar 2025 12:55:23 by Mattb-Motive

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When editing forms in a model-driven app, quite often an error message appears on the form (the form is blank and can't be clicked) stating: "Error Something went wrong".

The only resolution appears to be to refresh the browser, losing any changes made since the last save point. It can happen at any point of editing a form and doesn't seem to have a pattern to it.

This is happening on forms for both out-of-the-box tables (account, contact) and custom tables.

Looks to be a similar issue as this Reddit forum post: https://www.reddit.com/r/Dynamics365/comments/1iy5rr9/something_went_wrong_popup_every_time_i_try_to/?rdt=45398

Has anyone else experienced this? Any tips to resolve?

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Mattb-Motive 186 on 14 Mar 2025 at 01:25:45

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Error when editing forms - model-driven app

This is happening across multiple apps (Dynamics and Power Apps), environments, tenants and browsers. How aren't more people seeing this issue???

It's also happening while editing forms and viewing the app. So, end users could be seeing this too.
Mattb-Motive 186 on 14 Mar 2025 at 00:54:48

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Error when editing forms - model-driven app

A similar looking error appeared when using the app (although I can't be 100% sure it's the same error).

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Timestamp: Fri Mar 14 2025 09:49:06 GMT+1000 (Australian Eastern Standard Time)

Cannot read properties of undefined (reading 'indexOf')
TypeError: Cannot read properties of undefined (reading 'indexOf') at String._toFormattedString (https://content.powerapps.com/resource/uci-infra-web/scripts/MicrosoftAjax.0e42282974e6a0c11842f769c467f9c3.js:1:7849) at String.format (https://content.powerapps.com/resource/uci-infra-web/scripts/MicrosoftAjax.0e42282974e6a0c11842f769c467f9c3.js:1:7740) at https://content.powerapps.com/resource/uci-infra-web/scripts/app.bb76892840fe460a89e5468818b8a340.js:4:52950 at Array.map (<anonymous>) at https://content.powerapps.com/resource/uci-infra-web/scripts/app.bb76892840fe460a89e5468818b8a340.js:4:52872 at r.mapToProps (https://content.powerapps.com/resource/uci-infra-web/scripts/editformpage.f1a045337e918ba8362a8127981dd541.js:4:478638) at r (https://content.powerapps.com/resource/uci-infra-web/scripts/vendor.41182f40158752b47658ab06a0afe6d1.js:25:31312) at r.mapToProps (https://content.powerapps.com/resource/uci-infra-web/scripts/vendor.41182f40158752b47658ab06a0afe6d1.js:25:31526) at r (https://content.powerapps.com/resource/uci-infra-web/scripts/vendor.41182f40158752b47658ab06a0afe6d1.js:25:31312) at https://content.powerapps.com/resource/uci-infra-web/scripts/vendor.41182f40158752b47658ab06a0afe6d1.js:25:32660
Mattb-Motive 186 on 13 Mar 2025 at 23:24:36

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Error when editing forms - model-driven app

Hi @gulshankhurana

Unfortunately, none of the buttons or links on the dialogue box are clickable. So, it's not possible to see the error log. The only action you can take is clicking the browser's back arrow or refreshing the browser.

It's like the error is happening in the preview of the form.

Will try to see if Developer Tools shows anything.
gulshankhurana 1,391 Super User 2025 Season 1 on 13 Mar 2025 at 18:02:00

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Error when editing forms - model-driven app

Hi

What does it say when you click on 'Show Details'? For any troubleshooting, it helps if the error log is available.

Kind regards

Gulshan