0 /home/allefant/1.15/temp/wmlparser_rrgk_at2/wmlparser_nvyfzn_u.cfg.plain
Defines: __WMLUNITS__,MULTIPLAYER,SKIP_CORE
First line: {core}{multiplayer}{multiplayer/eras.cfg}{~add-ons}
Battle for Wesnoth v1.17.0-dev x86_64
Started on Thu Oct 21 01:43:52 2021
20211021 01:43:52 error preprocessor: #error: "This add-on is not intended to be enumerated by units.w.o"
at ~add-ons/IftU_Music/_main.cfg:39

 included from /home/allefant/1.15/temp/wmlparser_nvyfzn_u.cfg:1