Lines, ovals are not drawn in MINERVA if they dont have reactants
Lines and Ovals (graphical elements) are not drawn in MINERVA in case they are not connected by any reaction. The other graphical elements are drawn by MINERVA as pathways even when not connected with reaction.
The line (with no reactants) occurs in wikipathway map: WP254_106302.gpml
https://pg-sandbox.uni.lu/minerva/index.xhtml?id=WP254_106302beta2