Showing results for 
Search instead for 
Did you mean: 
New Member

Problem with opening existing forms, creating new

I have a project on Sharepoint Online, where I have powerapps forms for several lists.

Today, after a week-vacation, I returned to my project, and what I see is:

When trying to open form ( in List I click Customize forms) :  Forbidden error

When trying to create new form (for new list, created from scratch) : Error saving - i get immediately after opening Powerapps.



Community Support
Community Support

Hi @kiryanovoa,


Please first check your SharePoint list permissions, make sure you have proper permission to make customizations for SharePoint forms.


Further, it would be much helpful if you could share the translations of the message in your second screenshot.

Besides, when things related to Session ID, it is recommended to submit a support Ticket, as forums here doesn't have the proper approach to analyze the backend Session traces.

For submit Support Ticket, please click the button at the bottom of the following page:




Community Support Team _ Michael Shao
If this post helps, then please consider Accept it as the solution to help the other members find it more quickly.

Helpful resources

PA User Group

Welcome to the User Group Public Preview

Check out new user group experience and if you are a leader please create your group

Power Query PA Forum 768x460.png

Check it out!

Did you know that you can visit the Power Query Forum in Power BI and now Power Apps

V3_PVA CAmpaign Carousel.png

Community Challenge - Giveaways!

Participate in the Power Virtual Agents Community Challenge

Carousel 2021 Release Wave 2 Plan 768x460.jpg

2021 Release Wave 2 Plan

Power Platform release plan for the 2021 release wave 2 describes all new features releasing from October 2021 through March 2022.

Top Solution Authors
Top Kudoed Authors
Users online (4,048)