Hello,
I'm working on a flow that triggers when a new sharepoint list item is created (from a form), but running into issues when certain fields are blank.
The form has several options that pull up different fields for the user to fill out, so there will be fields that they don't see depending on what they choose.
When a field is blank, it gives me the error below on one of these actions: Start an approval; Create a work item (VSTS); Send an email from a shared mailbox
"InvalidTemplate. Unable to process template language expressions in action 'Start_an_approval_2' inputs at line '1' and column '2562': 'The template language expression 'triggerBody()['PageURL']' cannot be evaluated because property 'PageURL' doesn't exist, "

Is there a way for me to either ignore or fill out the blank fields using flow? Or is that something that needs to be done with the form - e.g. if option1 is selected, set 'PageURL' to "n/a"
Thanks in advance for any suggestions.