Not able to Extract json out put of backlog items in ADF Using REST Service.

Hi There,

I am trying to extract backlog items from Azure devops and wanted to copy it into ADLS using Rest service in ADF. but getting error attaching screenshot here for your reference.

same URI is working and getting json data when we directly run the URI in Browser.

I am following below documentation 

https://learn.microsoft.com/en-us/rest/api/azure/devops/work/backlogs/list?view=azure-devops-rest-7.0&tabs=HTTP

Thanks in advance.