Uplink: processing uplink frame error

Hi!

I got this errors in log, can you help me?

I have many devices and I get data from devices, but in log show me this errors.

• level=error msg=“uplink: processing uplink frame error” ctx_id=XXXX error=“get device-session error: object does not exist”

• level=error msg=“uplink: processing uplink frame error” ctx_id=XXXX error=“request home netid error: response error, code: UnknownDevEUI, description: deveui does not exist”