How can I create a formula to flag booking conflicts?
I'm looking to create a formula that will help me flag conflicts, but I'm unsure where to start.
I have a master project sheet that lists the project name, start date, end date, and company resources assigned to that project.
I'm looking to create a formula that would spit back an error (or custom message) whenever I have a resource booked on two projects with overlapping dates.
Any thoughts on where to start - and which formula to use?
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