C:\sumo_projects\C_Region_OSM>netconvert --osm-files 1\osm.net.xml,2\osm.net.xml,3\osm.net.xml,4\osm.net.xml,5\osm.net.xml,6\osm.net.xml,7\osm.net.xml -v --show-errors.connections-first-try --error-log ERRORS.txt
Parsing types from 'C:\Sumo\/data/typemap/osmNetconvert.typ.xml' ... done.
Parsing nodes from osm-file '1\osm.net.xml' ... done.
Parsing nodes from osm-file '2\osm.net.xml' ... done.
Parsing nodes from osm-file '3\osm.net.xml' ... done.
Parsing nodes from osm-file '4\osm.net.xml' ... done.
Parsing nodes from osm-file '5\osm.net.xml' ... done.
Parsing nodes from osm-file '6\osm.net.xml' ... done.
Parsing nodes from osm-file '7\osm.net.xml' ... done.
Parsing edges from osm-file '1\osm.net.xml' ... done.
Parsing edges from osm-file '2\osm.net.xml' ... done.
Parsing edges from osm-file '3\osm.net.xml' ... done.
Parsing edges from osm-file '4\osm.net.xml' ... done.
Parsing edges from osm-file '5\osm.net.xml' ... done.
Parsing edges from osm-file '6\osm.net.xml' ... done.
Parsing edges from osm-file '7\osm.net.xml' ... done.
Removing duplicate edges ... done.
Parsing relations from osm-file '1\osm.net.xml' ... done.
Parsing relations from osm-file '2\osm.net.xml' ... done.
Parsing relations from osm-file '3\osm.net.xml' ... done.
Parsing relations from osm-file '4\osm.net.xml' ... done.
Parsing relations from osm-file '5\osm.net.xml' ... done.
Parsing relations from osm-file '6\osm.net.xml' ... done.
Parsing relations from osm-file '7\osm.net.xml' ... done.
Error: No nodes loaded.
Quitting (on error).