The attached ODD file will not convert to a RelaxNG XML schema in Oxgarage. It fails with:
Error occured. Please check the filetype and try again.?
Error: class pl.psnc.dl.ege.exception.ConverterException
A sequence of more than one item is not allowed as the result of function tei:generateRefPrefix() (
I think the ODD is valid, and there's nothing unusual about it. Roma also fails with it.