Are indicators of failed messages from your receiver such. As tuning, SID not found in PAT and many more.
Furthermore, you also see this because if your BER is high and where applicable, your SNR value is too low.
– Bring a realignment of your satellite system
– For cable users a receiver amplifier recommended here (cost about 25 euros in the electronics market)
– A channel scan
– A completely new channel list
If you have further questions, we will help you.