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    Nintex Knowledge Base

    The String was not recognized as a valid DateTime

    When trying to open a form via Nintex Mobile, the following error may occur: "String was not recognized as a valid DateTime) [GUID]." Desktop forms load as expected.

    1. Remove only the formatDate() runtime part of the Calculated control ( run time functions are not supported in Mobile) 
    2. After removing the run time function from the Form, Publish the Form
    3. Load the Form in Mobile to confirm the issue has been fixed.