Welcome to Error Handling!

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Posted on by GregLi

This is the place to learn and share about Power Fx Error Handling.

As an experimental project that grew into a product, Power Apps was born without error handling. Error situations would return Blank (Null), but that is a problem when you have databases that store Null as a valid value. Power Fx needed to separate errors from Nulls.

Two years ago we started this journey with this blog post: New Experimental Feature: Error Handling and Writing Null values to databases | Microsoft Power Apps

And today we are very close to finishing the Experimental and entering Preview. While experimental Error Handling has been turned off by default, but entering Preview means it will be turned on by default for new apps, while not impacting existing apps.

We need your help to finish the job! Please report here any of your questions, concerns, bugs and we'll talk it through.