Combining ISBLANK and IF statement for two different columns

If "Start Date" is blank then I need to perform the following formula in the "Start Date" field:

=IF([New Project]@row = "New Project (Next TYCIP)", "07/01/2024", "07/01/2023")


This formula works but I can't figure out how to combine it with the ISBLANK.

I get a circular error using this:

=IF(AND(ISBLANK([Start Date]@row), [New Project]@row = "New Project (Next TYCIP)"), "07/01/2024", "07/01/2023")

Does anyone have any suggestions on how to make this work?

Answers

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