One must have "/boot" unecrypted (something like 200MB ext4 should be plenty).
The fact that manual partitioning is allowing you to start installation is worrying as the underlying partman has safety check to check that there is a /boot setup, when required.
One must have "/boot" unecrypted (something like 200MB ext4 should be plenty).
The fact that manual partitioning is allowing you to start installation is worrying as the underlying partman has safety check to check that there is a /boot setup, when required.