Out of bounds frame requested

[kingcrimsonster]

does changing Pretetch/Threads to 4 change anything?

I did not change these settings. In Hybrid_2020.02.19.1.1 this setting is 0 by default.
In the last version is 4 by default. This is right? I am have Intel Xeon E5 1650 v2 with 6 cores.