An unhandled exception
I had a problem with a SharePoint Designer Workflow I was creating a task and assigned it to a SharePoint group. Then I got the error:
Details: An unhandled exception occurred during the execution of the workflow instance. Exception details: System.ApplicationException: HTTP 401 {“error”:{“code”:”-2147024891, System.UnauthorizedAccessException”,”message”:{“lang”:”en-US”,”value”:”Access denied. You do not have permission to perform this action or access this resource
Your solution
I checked the permissions of the SharePoint group. Set the permissions of the group “Who can view the members of the group” set this to Everyone. ….
And the workflow now works.
Hopefully this will help you too.
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Pieter Veenstra
Is your business still running on paper trails, sprawling Excel files, or ageing Access databases? There's a better way — and I can show you exactly what it looks like. I'm the Technical Director of Vantage 365, a Microsoft solutions consultancy working with clients across the UK, the Netherlands, and worldwide. For over 30 years I've been turning messy, manual business processes into clean, automated systems that save time, reduce errors, and give teams the visibility they need to make better decisions. SharePains is not just any blog run by a Microsoft MVP. Have you ever used Try-Catch in Power Automate? The original post about Try-Catch in Power Automate can still be found on this site, https://sharepains.com/2018/02/07/try-catch-finally-in-power-automate-flow/ Or have you ever used the Pieter’s method to avoid variables and speed up your flows? https://sharepains.com/2020/03/11/pieters-method-for-advanced-in-flows/ You can contact me using contact@sharepains.com
I had the same error when I tried to create a task to a custom task list. Your solution worked!
Thanks!
Thank you very much for your post. I spent whole day to sort out this problem. Luckly I found your post.