[Kazoo beta] incorrect format for container ID

Upon rescan Minimserver shows several errors:

MinimServer[SynologyDS213j] is running
MinimServer: incorrect format for container ID '0$:Artist$649$albums'
MinimServer: incorrect format for container ID '0$:Artist$649$albums'
MinimServer: incorrect format for container ID '0$:Artist$649$albums'
MinimServer: incorrect format for container ID '0$:Artist$649$albums'

This only happens with Kazoo (latest beta).