What path is it refering to? I am out but can check later on.
2007-04-13 09:15:35 (7eddbcee): Attempt to add duplicate playlist: ’90???s Music’ type: 3, path: (NULL), idx: 17481640
That’s crazy. (and would explain the problem).
Can you run a -d9 and just post from “Starting playlist scan” to the first error adding playlist log entry?