Skip to main content
cancel
Turn on suggestions
Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type.
Showing results for 
Search instead for 
Did you mean: 

Try your skills in the Power BI Dataviz World Championship! Round one ends June 26. Join now

Reply
Lucy1234
Regular Visitor

Expression.Error: We cannot convert the value null to type Logical.

‎02-21-2024 01:01 AM

when I merged a query and expand the table, I met the error as below. 

 

Expression.Error: We cannot convert the value null to type Logical.
Details:
Value=
Type=[Type]

 

but I checked all my data there is no logical datatype. I also merged the same query with different Key it can work. how to solve this?

Labels:
Message 1 of 3
530 Views
0
2 REPLIES 2
bhelou
Responsive Resident
Responsive Resident

‎02-21-2024 01:55 AM

can you share some sample ? 

Message 2 of 3
496 Views
0
Lucy1234
Regular Visitor
In response to bhelou

‎02-21-2024 05:20 PM

Lucy1234_0-1708564791871.png

my code is as above, I merged same table here, but the secode time I met the error. 

Message 3 of 3
477 Views
0

Helpful resources

Announcements
Fabric Data Days is here Carousel

Fabric Data Days 2026

Don't miss out on Data Days, June 15 through August 7. Learn Fabric, Power BI, SQL, AI and more.

Power BI DataViz World Championships carousel

Power BI DataViz World Championships - June 2026

A new Power BI DataViz World Championship is coming this June! Don't miss out on submitting your entry.

View All