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Datasource connection issues on App and Custom Form People Pickers & Choice Pickers

Having major problems with Forms and Apps with data connecting. Usual SharePoint list connection and the forms were built a while back. This is happening across lots of lists within the same subsite and very confused.


With no warning or pattern, the forms lose connection to choice columns and people pickers. Log in and refresh the data which after a LOT of refreshes would sometimes reconnect. However, since Tuesday a particular form wouldn't reconnect. I decided to pull the list through to a PowerApp and see if that resolved the problem. Spent all of yesterday formatting the App to get ready to publish live today to replace the form which is broken in a live envrionment, for me to then log on this morning for the App to now display the same issue. I refreshed the data source in the App and it has now reconnected but this is not reliable. I have now checked the original form and this has now magically reconnected too.


Anybody experienced similar ? I consider myself quite Powerapp savvy and never had this problem before with any connections. However, a colleague has just emailed saying she is having similar issues with a form on a different subsite where the people picker is sporadically playing up.


This really needs to resolved ASAP as this is impacting a live system. !!!

Community Support
Community Support

Hi @Anonymous ,

I've made a smilar test but not met the same problem like your description.

You could try to check your data source here:7122_LI.jpg

Try to recreate your connection and refresh the data source.

If the problem sitll exists, please ask for help here:

If there's any information about the connection problem, I will reply here too.


Best regards,

Community Support Team _ Phoebe Liu

Community Support Team _ Phoebe Liu
If this post helps, then please consider Accept it as the solution to help the other members find it more quickly.
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@v-yutliu-msft As I said above, I have tried on multiple occasions to refresh the data source and it doesn't work. This is happening across forms and Apps throughout our environment.


Please can this be looked into ASAP. Its is effecting live systems!!



Not applicable

Heard nothing regarding this? @v-yutliu-msft  ?????

Not applicable

Still no response !!! 


Below are examples of what is happening. 


@v-yutliu-msft , Microsoft? ANYONE?




Helper I
Helper I

I have the same issue. When I refresh the data sources they red errors disappear. 
Still annoyed and frustrated I don't know why it is happening.

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