Common errors
As you encounter and handle errors in your Power Query workflows, it’s essential to review patterns and learn from them. Analyzing common errors and understanding their root cause can guide you in refining your error-handling approach. Therefore, this section focuses on some of the most common errors you are likely to encounter. Furthermore, it is helpful to understand that multiple errors can be encountered during debugging, and syntax errors will always be raised first as they make it impossible for the M (mashup) engine to parse the provided code.
Syntax errors
Syntax errors in an expression are typically identified during the code-writing phase. These errors indicate that there is an issue with the pattern or structure of the provided expression.
A missing comma on line 3 returns Expression.SyntaxError: Token ',' expected:
let
A = 1,
B = 0
result = A / B
in
result
An additional comma inside the list on line 2...
