id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
3812	"""Placeholder IDs must be unique for created elements"" after using Lakewalker or tracing many nodes manually"	avarab@…	team	" 1. Use lakewalker to trace a bunch of lakes
 2. End up with this data

{{{
$ grep ""id='-"" unique-fail.osm |perl -pe ""s/.*id='(.*?)'.*/\$1/""|sort -n|uniq -c|sort -n|tail -n15
      1 -97
      1 -98
      1 -99
      2 -464
      2 -465
      2 -466
      2 -467
      2 -468
      2 -469
      2 -470
      2 -471
      2 -472
      2 -473
      2 -474
      2 -567
}}}

The data has a bunch of duplicate ways, e.g.:

{{{
  <way id='-567' visible='true'>
    <nd ref='-467' />
    <nd ref='-468' />
    <nd ref='-469' />
    <nd ref='-470' />
    <nd ref='-471' />
    <nd ref='-464' />
    <nd ref='-465' />
    <nd ref='-466' />
    <nd ref='-472' />
    <nd ref='-473' />
    <nd ref='-474' />
    <nd ref='-467' />
    <tag k='source' v='Landsat' />
    <tag k='natural' v='water' />
  </way>
  <way id='-567' visible='true'>
    <nd ref='-467' />
    <nd ref='-468' />
    <nd ref='-469' />
    <nd ref='-470' />
    <nd ref='-471' />
    <nd ref='-464' />
    <nd ref='-465' />
    <nd ref='-466' />
    <nd ref='-472' />
    <nd ref='-473' />
    <nd ref='-474' />
    <nd ref='-467' />
    <tag k='source' v='Landsat' />
    <tag k='natural' v='water' />
  </way>
}}}

How do I fix this?"	defect	closed	blocker		Plugin lakewalker	tested	fixed