Broken frames Canon R6 mkII

I got this from time to time from both my cameras Canon R6 and R6 mkII - Clog 3, 4K, IPB light, SD card Lexar 1066x 160MB/s V30. Any thoughts on this?

https://forum.blackmagicdesign.com/
https://forum.blackmagicdesign.com/viewtopic.php?f=14&t=200330