Tvheadend

Hello,

I'm new to Tvheadend.
Using version 4.2.8-34~g24a2f59e9 on a Raspberry Pi3B+ with a Hauppauge WinTV-HVR-950 tuner.
Things are working fine except for continuity errors on a few services. What is strange is that if I play the underlying mux directly the continuity errors are not present and playing the service afterwards does not show continuity errors anymore until a reboot. I thought it could be pure luck but I have tested this several times playing the services for a long period and it is definitely reproducible.
Any idea?