Resetting SMSC for Lollipop 5 SMS bug
Sorry for the trouble. I'm the writer of that fix. Well, I was able to get it right on Nexus 5, Unite 2, Galaxy S5, LG G2, LG G3 and MOTO G as well. So, if you've come across a different problem try doing a factory reset. And, keep a backup of your data before formatting it.