SharePoint 2019 Nintex Form will not preform Preview. I receive this error message anyone have a solution, I published it as directed. It continues to post same error.

SharePoint 2019 Nintex Form will not preform Preview. I receive this error message anyone have a solution, I published it as directed. It continues to post same error.
Best answer by SimonMuntz
Hi,
Please try the solution for this issue that is discussed on this thread.
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