Error: foo-1.0 exists in two non-comparable versions Someone forgot to bump a REVISION foo-1.0,x-1.0 vs. foo-1.0,x-1.0,y-2.0 Error: foo-1.0 exists in two non-comparable versions Someone forgot to bump a REVISION foo-1.0,x-1.0,y-2.0 vs. foo-1.0,x-1.0