Handling Errors and Debugging

Error handling in Power Query’s M language involves techniques for managing and resolving errors that may arise during the evaluation of an expression. By utilizing expressions and functions such as try, otherwise, and catch, you can gracefully handle potential errors and effectively control the execution flow. Additionally, the Power Query editor offers a convenient built-in feature called the Applied Steps pane, which allows you to step through the code, facilitating the identification of issues within your query.

This chapter provides you with an overview of the error-handling capabilities and debugging strategies in Power Query. It aims to equip you with the necessary knowledge to effectively address errors and ensure your queries are more future-proof. By understanding common errors that can occur in the M language and applying the techniques discussed here, you will establish a solid foundation for handling errors and creating more robust...