As a model builder and workspace admin, formula errors can be costly. My idea is to add an error log that tracks formula and calculation errors. This will help document who was doing what when something goes wrong. It will also help with enablement as you can review the error log and use it for training - ensuring that the same mistakes are not made over and over.
The content in this article has not been evaluated for all Anaplan implementations and may not be recommended for your specific situation.
Please consult your internal administrators prior to applying any of the ideas or steps in this article.