When combining or merging data between multiple data sources, you might get a Formula.Firewall error such as the one shown in the following image. In this video I show you how to do dynamically remove empty columns in Power BI. To remove errors from specific columns, select the columns by using Ctrl + Click or Shift + Click. Looking for job perks? PBI Matrix - Microsoft Power BI Community Remove null values from whole data in Power BI - Stack Overflow Repeat the steps from the previous technique starting from the creation of the FnRemoveEmptyColumns function (unless you are working on the same file, in which case the query is already created). This will allow your query to run without this error. If you want to remove one or more column filters for a fresh start, for each column select the down arrow next to the column, and then select Clear filter. Open the Power BI report that contains a table with empty columns. All the workbooks share the same format, but once in a while, one of the data-entry guys adds an empty row or a column to space out the information in the table. It's a "I can't see the wood for the trees problem". This is Maya (you can find me on Linkedin, Removing empty rows or columns from tables is a very common challenge of data-cleaning. Task 3: Return the department with the highest average salary. Which @NotNull Java annotation should I use? When you choose to remove other columns, and then you refresh your data, new columns added to the data source since your last refresh operation might remain undetected because they would be considered other columns when the Remove Column step is again executed in the query. The following sections discuss some of the most frequent cell-level errors in Power Query. My best guess. Table.Profile will give us some summary statistics of each column, and we are going to use this information to filter out the null columns. To follow the example, enter sixas the first row and seven as the number of rows. #1 Is there an easy way to remove null Columns in power bi query editor. List.RemoveNulls - PowerQuery M | Microsoft Learn
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