Okay, I do get that right, that the solution is to roll back CubeMX? I'll try that later, thanks.

Hi,I have exactly the same problem. I want to use the LTS-Version 5.15 but the "Manifest Version" says "openstlinux-6.1-yocto-mickledore-mp1-v23.06.21". My STM32CubeMX version is 6.9.2 on Linux/Windows and all software packages regarding STM32MP1 are...