SummaryWhen loading a form in the Mobile App, the following error might occur: "String was not recognised as a valid DateTime"
Option 1Recreate the Date and Time list columns.
- Remove only the formatDate() runtime part of the Calculated control ( run time functions are not supported in Mobile).
- After removing the run time function from the Form, Publish the Form.
- Load the Form in Mobile to confirm the issue has been fixed.