BUGFIX: Fix Errorf call in schema/manager.go.
BUGFIX: Fix Errorf call in schema/manager.go.

OpenBazaar/openbazaar-go,hoffmabc/openbazaar-go,OpenBazaar/openbazaar-go,gubatron/openbazaar-go,hoffmabc/openbazaar-go,OpenBazaar/openbazaar-go,gubatron/openbazaar-go,gubatron/openbazaar-go,hoffmabc/openbazaar-go