No worries
30685 BOARD=z28pro
30686 BOARD_NAME="Z28 PRO"
30687 BOARDFAMILY=rockchip64
30688 BUILD_REPOSITORY_URL=https://github.com/armbian/build
30689 BUILD_REPOSITORY_COMMIT=31b56af4-dirty
30690 VERSION=5.90
Anyway, this is quite some output, will take a bit more to dig through...
Edit: At line 12625 this Z28 thing occuring the first time.
Edit2: Any chance that you could dig your dpkg.log for stuff that happened before Sat 15 Aug 2020 07:49:32 PM CEST?