Hi There! I have a series of tasks with deadlines. The field next to “Deadline” is a countdown titled "Days Left’ with the amount of days left until the task is due. However, I don’t yet have/need deadlines for some of the tasks, so the Deadline field is sometimes empty which results in NaN.
The formula I used for “Days Left” is DATETIME_DIFF(Deadline, TODAY(), ‘days’)
I’ve tried a few different IF formulas to remove NaN but I keep getting errors. Can anyone help me out here?
Welcome to the community @Kathryna_Hancock!
You can use an IF statement to only run your existing formula if there is a date in the Deadline field. Here’s how that should look:
IF(Deadline, DATETIME_DIFF(Deadline, NOW(), 'days'))
Notice that I also switched out TODAY() with
NOW() uses the exact current day and time, while
TODAY() defaults to the current day at 12:00am.
You can also find more tips on troubleshooting common formula errors like
NaN here: https://support.airtable.com/hc/en-us/articles/360034619694-Common-formula-errors-and-how-to-fix-them
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