So many Grubs for only 2 distros... What should I do?

I understand, I will take a photo and transcritp it here asap.
EDIT: here goes:

error: ../../grub-core/fs/btrfs/c:2159:file `/zfs.mod' not found.
error: ../../grub-core/commands/search.c:316:no such device: fedoraboot.

These are the two errors I get for a few second before Fedora tries to boot (and fails).

As for:

…it comes from here. It looked trustworthy to me, being on this forum and all… Is it wrong?

Thanks!