Get certified for free when you join Fabric Data Days 2026 and dive into Fabric, Power BI, SQL, AI, and other essential data skills.
Join nowJuly 7 - July 17 | Round 2 of the Power BI Dataviz World Championships. Don't miss your chance! Learn more
I have a Excel data source with some data errors. In some colums a calculation failure occurs resulting in #Num! in Excel.
The data source is being unpivoted in PowerQuery. All records containing #Num! are being ingnored in the unpivoting proces resulting in dataloss.
- Skipping the rows is not an option. I need the rest of the data in the records
- Replace #Num! replacing by eg. "0" seems not to work
Not loading the columns containing the #Num! is an option, but I could not find any way to do this.
Any help?
Change it to Text before you unpivot.
Unfortunately changing the data type to text, any or whatever does not work
I suppose the column is of a numeric type. Try to change it to Text befor you unpivot the table, and afterward turn the column back to numeric.
Unfortunately not: Data type is "any"
Have you tried to replace #NUM! by null ?
Tried the following solutions without any luck
#"Replaced Errors" = Table.ReplaceErrorValues(#"Changed Type", {{"Column70", 0}}),
#"Replaced Errors" = Table.ReplaceErrorValues(#"Changed Type", {{"Column70", null}}),
Join us in Barcelona for FabCon and SQLCon, the Fabric, Power BI, SQL, and AI community event. Save €200 with code FABCMTY200.
If you love stickers, then you will definitely want to check out our community sticker challenge, Barcelona edition!
Check out the July 2026 Power BI update to learn about new features.