The Mod adds longer distance versions of belts, pipes and electric poles.
got this error on loading the game after updating your mod. I am on factorio version 0.15.x. http://imgur.com/a/gVSBs
read the previous message
I have the same problem.
Also, I marked 2 other bug reports as being a duplicate of this one, which also includes a link to the notice from the dev that the .15 version isn't fully functional yet: https://mods.factorio.com/mods/Phalke/DistancePlus/discussion/11006.