FWIW. I ripped the same CD (S.O.S. Band - Greatest Hits) to FLAC again with XLD. No errors in the log. Re-imported into MD600, ran backup - No Errors.

My house was probably subjected to cosmic rays during the first rip/import.

Soundserge

Antipodes CX + Roon, 818v3, DSP 7200SEs, 218, DSP3200s