OPMANAGER CANNOT ADD PERFORMANCE DIALS SPECIFIED URL is incorrect

OPMANAGER CANNOT ADD PERFORMANCE DIALS SPECIFIED URL is incorrect

Hi,
I am running OpManager 12.5.342 in Central/ Probe Configuration.
When add performance dial from Custom Dials  from the Device Dashboard.
The following errors Specified URL is incorrect.
Performance monitor are collecting data correctly.

Can you please advise what could be the problem ?