Forum Discussion
Expression Error in the sample file query
Hi, My query returns this after previously: An error occurred in the ‘Sample File’ query. Expression.Error: There weren't enough elements in the enumeration to complete the operation. Detail...
Hi Anonymous,
please check that all column names are unique. It looks like you have at least one column name twice in your file.
If it isn't your case, please post a sample of your data and your Power Query query.