Skip to main content
cancel
Showing results for 
Search instead for 
Did you mean: 

Join us for an expert-led overview of the tools and concepts you'll need to become a Certified Power BI Data Analyst and pass exam PL-300. Register now.

Reply
Anonymous
Not applicable

Expression.Error: We cannot convert the value false to type Text when connecting to Wrike's REST API

Hi, 

I'm trying to connect to Wrike API via oAuth2.

I have created an app in Wrike and got the access token .

 

I have made a test via postman and it worked perfectly.

 

In Power BI, I have created a Query and used M language to connect via REST API using the bearer authorization token

as follow:

let
Source = Web.Contents("https://www.wrike.com/api/v4/timelogs",
[Headers=[#"Authorization"="#Authorization"="bearer <access token>"]]),
convertToJson = Json.Document(Source)
in
convertToJson

 

After pressing "Done", I got the following expression error:

Expression.Error: We cannot convert the value false to type Text.
Details:
Value=FALSE
Type=[Type]

 

help would be appreciated.

Thanks.

1 REPLY 1
Daryl-Lynch-Bzy
Resident Rockstar
Resident Rockstar

Hi @Anonymous , you may need to check that output is actually a JSON Document.  

let
  Source = Web.Contents("https://www.wrike.com/api/v4/timelogs",
           [Headers=[#"Authorization"="#Authorization"="bearer <access token>"]]),
  //convertToJson = Json.Document(Source)
  viewBinary = Binary.ToText( Source )
in
  viewBinary

 

This should show you something similar to your Postman results.

Helpful resources

Announcements
Join our Fabric User Panel

Join our Fabric User Panel

This is your chance to engage directly with the engineering team behind Fabric and Power BI. Share your experiences and shape the future.

June 2025 Power BI Update Carousel

Power BI Monthly Update - June 2025

Check out the June 2025 Power BI update to learn about new features.

June 2025 community update carousel

Fabric Community Update - June 2025

Find out what's new and trending in the Fabric community.

Top Solution Authors