Hello @Ilpo Välimaa ,
Welcome to Q&A Forum!
Please perform the following troubleshooting:
1.Please set the OnNew property and OnEdit property to following:
OnNew
Refresh('Your SP List');
NewForm(SharePointForm1)
OnEdit
Refresh('Your SP List');
EditForm(SharePointForm1)
2.Check the SharePointIntegration OnSave value (in the tree at left) - it should say SubmitForm(<FirstFormName>)
3.Please re-create a custome form to test.
- Go to SharePoint List >> List Setting >> Form Setting
- Choose "Delete custom form"
- Go back to SharePoint, choose PowerApps >> Customize forms to create a new Form
We recommend that you go to the Microsoft Power Apps Community so that you can get more professional help.
Thanks,
Echo Du
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