I've searched some similar issues, here are some tips that may help you:
1)Could you show me your formula of running flow?
The order of arguments of your 'FLOW'.Run() function is based on the order of parameters that you specified within your flow. Please check if you have provided proper value for corresponding arguments of your 'FLOW'.Run() function.
2)When the SubmitForm formula executed successfully, theForm control (Edit form) would be reset. Then the Form1.LastSubmit.IDformula would return blank, so your MyFlow.Run() formula would fail.
You could try to use flow.run in OnSuccess property.
set the submit button's OnSelect:
set the form's OnSuccess:
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.