For those of you wondering, this was nothing to do with the globals.tx, it was me naming the tag wrong.
I had called the sub "detailed_title" and as such the <%tag%> should have been called <%detailed_title(ID)%>
Cheers
I had called the sub "detailed_title" and as such the <%tag%> should have been called <%detailed_title(ID)%>
Cheers