Hash Sum mismatch when upgrading from 16 LTS to 18 LTS

[lister171254]

I'm getting the attached error when upgrading from 16 LTS to 18 LTS. Have changed repositories, but issue remains.

[oldos2er]

Try

sudo rm -rf /var/lib/apt/lists/*

sudo apt update

[lister171254]

Thanks,
That did the job