This can be satisfied by simply creating an empty hg18 database:
hgsql -e 'create database hg18;' mm9
There are some tracks in mm9 that have relationships to hg18 data
--Hiram
On 7/25/16 7:28 AM, 'Jun Zhang' via UCSC Genome Browser mirror site discussion list wrote:
> The mirror site under my company firewall seems finally setup, a user told me that he has successfully added custom tracks, using hg19.
> In the mean time, I downloaded mm9 for both gbdb and mysql parts. On the page, I clicked Genome->Mouse NCBI37/mm9, and got the follwing error
> Couldn't set connection database to hg18mySQL error 1049: Unknown database 'hg18' (profile=, host=localhost, db=hg19)