Rest Api TestMonitor

Rest Api TestMonitor

Hello.
After updating the opmanager to version 12.4.079, rest api does not work. Namely, the test monitor method. 
(http://SERVERNAME/api/json/device/TestMonitor?apiKey=KEY&policyName=SystemUpTime.&graphName=SystemUpTime.&name=DEVICENAME)

Error
message "Invalid request method."
errorcode "INVALID_METHOD"