This message indicates the agent is configured on a different port and the policy is not defined with the correct port and community string.In the example below, the above error is generated if this policy is deployed to a SystemEDGE agent configured to run on port 161.
Find the port SystemEDGE is using:Launch the Control Panel -> Click CA SystemEDGE -> Click on sysedge.cf button -> Scroll to the bottom of the file then look at the value for default_port