Cause: The web page is calling a plugin function that doesn’t exist, often due to version mismatch.
Fix: Check the camera’s firmware version. Download the exact plugin version from the manufacturer’s support site instead of the built-in prompt.
Playback of Recorded Footage
Device Configuration
Multi-Channel Viewing
Cause: The plugin is blocked by Edge/Chrome.
Fix: Use IE mode in Edge. In Edge, go to Settings > Default browser > “Allow sites to be reloaded in Internet Explorer mode.” Then reload the camera’s page. netsurveillance web plugin