I've found that consistently using the --onto flag when rebasing helps prevent errors by ensuring the target hash of the rebase is always explicitly specified.

I've found that consistently using the --onto flag when rebasing helps prevent errors by ensuring the target hash of the rebase is always explicitly specified. Particularly in situations where you may have a feature branch based on another feature branch, and that other feature branch had commits squashed into main so history/commit hashes have changed between main and your feature branch.