[ALOY-1622] Migration on a model with sql adapter type: build error due to an undefined variable

I tried to do a migration on a model with sql adapter type, following the example of the guide: https://docs.appcelerator.com/platform/latest/#!/guide/Alloy_Sync_Adapters_and_Migrations-section-src-36739597_AlloySyncAdaptersandMigrations-Example But the build fails with the error in the attached image. The problem seems to be due to a db variable that has not been defined in the /Alloy/lib/alloy/sync/sql.js file, exactly it is this: https://github.com/appcelerator/alloy/blob/6c311743af90da438f9c30bfdbe29275247daa51/Alloy/lib/alloy/sync/sql.js#L341 If I modify it in var db = Ti.Database.open(config.adapter.db_name); everything works properly.