We are rolling this out slowly as it is such a big change. If significant changes are needed from here, we will treat them as a separate feature. Many of you already use error handling in production and this move to preview should only embolden more of you to do so. By entering preview, we are signaling that we believe we are done, that we anticipate no further significant changes from here. You can create and throw your own custom errors with the Error function.Įrror handling is a big change in behavior.You can control error reporting and logging at a central location with App.OnError.You can detect and replace errors with the IsError, IsErrorOrBlank, and IfError functions.You can write blank/null values to a database.Your apps will more reliably detect and report errors.Thank you for all of your support, feedback, and patience as we got this done. Adding error handling to an existing language turned out to be a very tall order, touching almost everything, from data types, to functions, to the runtime. As a result, you and your end users will enjoy higher reliability and more transparency about what is happening in your apps.
We are thrilled to announce that the long-time experimental feature Formula-level error handling has moved forward to preview.
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