Handle Missing or Invalid Data Safely in Power Query M

Wraps a calculation so an error or missing value falls back to a default instead of failing the query.

Error HandlingIntermediatetryotherwisesafefallback

Power Query M code

let
    Source = YourTable,
    AddedSafeValue = Table.AddColumn(Source, "SafeAmount", each try [Amount] otherwise 0, type number)
in
    AddedSafeValue

Notes

Replace [Amount] with the expression that might fail, and 0 with your preferred fallback value.

Requirements

A table with a column or calculation that occasionally errors.

How to use this snippet

In Power BI Desktop, choose Transform data to open Power Query, then open the Advanced Editor on a query (or start from a blank query).
Paste the snippet and replace the placeholder names (tables, columns, file paths) with your own. Check the requirements above first.
Run it through the Power Query M Formatter to tidy the layout.

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