Notion4 min read
Your Notion relation formula is blank
A blank relation formula is usually no access, a missing .first(), or an empty related page. Check those before blaming Notion.
Shashwat TalwarPrototion Blog
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Formula depth limit reached means the chain is 15 layers deep. Each formula or rollup reference adds a layer, even in another database.
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Don't paste that AI Notion formula
Notion AI can write the formula. Turn on Show types, then check date order, empty(), and lists before you save.
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The quotes that break your Notion automation
A pair of quotes is text, not a blank date. Use empty() or a Notion formula automation will not save.
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Why your Notion days left formula is negative
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Your Notion rollup is not a number (and how to do math on it)
A rollup showing 1892 or 35% can still be a list. Why multiplication and dateAdd throw a type error, and the three fixes that work.
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Your Notion formula returns a list, not text
People, relation and multi-select properties return lists in Formulas 2.0. Why deleting Notion's .map().join() quietly breaks filters.
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How to show Due today, Due tomorrow and Overdue in Notion formulas
Build Overdue, Due today and Due tomorrow labels in Notion with dateBetween, dateStart, ifs and style — and fix the off-by-one day.
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How To Show Sub-Task's Completion in Percentage?
🚀 Track your completed daily tasks in Notion easily in the form of percentage to stay motivated towards your goals!
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