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Error message Cannot read properties of undefined (reading 'map')

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Posted on by BusyIntelligence

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Since a couple of weeks several users see errormessages like "Cannot read properties of undefined (reading 'map')".

This occurs when the filter or sort a view, e.g. My contacts.

Strangely some of the times the sorting works fine when the user uses his laptop screen, but results in the error when the window is opened on his second monitor.

Most of the times the view just remains empty as if there are no records to show, but the error shows up after we click on the refresh button above the view.
It first says "error loading control". After clicking on that the errorlog can be opened containing:

Error Details: TypeError: Cannot read properties of undefined (reading 'map')
at t._getColumnState (https://{our url}/%7b637899763480000150%7d/webresources/cc_MscrmControls.Grid.PCFGridControl/PCFGridControl.js:2:1767562)
at t._getConfiguredColumns (https://{our url}/%7b637899763480000150%7d/webresources/cc_MscrmControls.Grid.PCFGridControl/PCFGridControl.js:2:1998787)
at t.getDerivedStateFromProps (https://{our url}/%7b637899763480000150%7d/webresources/cc_MscrmControls.Grid.PCFGridControl/PCFGridControl.js:2:1988447)
at pi (https://{our url}/uclient/scripts/vendor.js?v=1.4.4266-2205.2:9:48334)
at Ha (https://{our url}/uclient/scripts/vendor.js?v=1.4.4266-2205.2:9:70314)
at Ul (https://{our url}/uclient/scripts/vendor.js?v=1.4.4266-2205.2:9:112369)
at Eu (https://{our url}/uclient/scripts/vendor.js?v=1.4.4266-2205.2:9:98325)
at ku (https://{our url}/uclient/scripts/vendor.js?v=1.4.4266-2205.2:9:98253)
at xu (https://{our url}/uclient/scripts/vendor.js?v=1.4.4266-2205.2:9:98116)
at pu (https://{our url}/uclient/scripts/vendor.js?v=1.4.4266-2205.2:9:95103)

Anyone has an idea what happens here?

Kind regards,
Maurits

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Mehdi Chemseddine 108 on at

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RE: Error message Cannot read properties of undefined (reading 'map')

I confirm that the fix was applied.

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Rafael Pennese 25 on at

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RE: Error message Cannot read properties of undefined (reading 'map')

Update: the bug fix has already been pushed by Microsoft! Changes are available in my region (Europe) and will be rolling out to other regions over the summer.

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Mehdi Chemseddine 108 on at

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RE: Error message Cannot read properties of undefined (reading 'map')

Hi,

Thanks for sharing. This seems to solve the issue;

What I found out, is that it was some columns with the attributes 'issortable' or 'isretrievable' set to false; I had to go to views remove the concerned columns, save & publish then put them again. this worked for most of them, except one field which persists and didn't changed;

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Rafael Pennese 25 on at

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RE: Error message Cannot read properties of undefined (reading 'map')

Hi Everyone

I've just spoken with the support team and there are some good news: this is indeed a but and it's on the current roadmap: ETA August 22 2022 (exact date depends on your region).

In the meantime, a workaround is to disable the "modern read-only grid experience" un PowerApps features:

A small regression compared to the newest view control, but more stable...

Hope this helps!

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Rafael Pennese 25 on at

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RE: Error message Cannot read properties of undefined (reading 'map')

Hi There

I have exactly the same issue here: I tried different browsers, flushing cache, and there doesn't seem to be a consistent behavior...The issue occurs randomly...

It may have to do with filters as the views where this happens have complex queries.

I've just created a ticket with Support. I'll update this thread to give you any news I receive.

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Mehdi Chemseddine 108 on at

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RE: Error message Cannot read properties of undefined (reading 'map')

Hi,

We have the same problem in 2 of our environments, sorting/filtering a column in most views leads to this error;

Dynamics is updates and clearing the cache didn't help.

If you found a solution I'll be more than happy to hear it before openning a ticket to MS.

Thanks.

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Community Member on at

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RE: Error message Cannot read properties of undefined (reading 'map')

Hi BusyIntelligence,

Maybe you can clear browser cache or change other browsers to test it.

Have you updated your Dynamics in the meantime?

You can open one ticket to Microsoft support, which can help you solve the question:

https://admin.powerplatform.microsoft.com/support

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