NVR product network configuration activation failed. The log shows that the network connection was successful, but activation failed on the cloud. Error log: "errorCode":"PRODUCT_OTA_CHANNEL_CONFIG"

The error "errorCode":"PRODUCT_OTA_CHANNEL_CONFIG" generally has the following reasons:

1. No corresponding firmware is created under the PID.

2. The created firmware type is not module firmware, it needs to be changed to module firmware as shown in the picture: