Error in internal mapcss validation rule

[naoliv]

It seems to be happening in some internal rule:

2018-06-25 08:35:10.538 FINE: Adding resource://data/validator/addresses.mapcss to tag checker
2018-06-25 08:35:10.545 FINE: Adding resource://data/validator/combinations.mapcss to tag checker
2018-06-25 08:35:10.551 SEVERE: Skipping to the next rule, because of an error:
2018-06-25 08:35:10.552 SEVERE: org.openstreetmap.josm.gui.mappaint.mapcss.parsergen.ParseException: Encountered " <IDENT> "way "" at line 222, column 1.
Was expecting one of:
    "," ...
    <S> ...
    "/*" ...
org.openstreetmap.josm.gui.mappaint.mapcss.parsergen.ParseException: Encountered " <IDENT> "way "" at line 222, column 1.
Was expecting one of:
    "," ...
    <S> ...
    "/*" ...
    
	at org.openstreetmap.josm.gui.mappaint.mapcss.parsergen.MapCSSParser.error_skipto(MapCSSParser.java:2146)
	at org.openstreetmap.josm.gui.mappaint.mapcss.parsergen.MapCSSParser.sheet(MapCSSParser.java:894)
	at org.openstreetmap.josm.data.validation.tests.MapCSSTagChecker$TagCheck.readMapCSS(MapCSSTagChecker.java:375)
	at org.openstreetmap.josm.data.validation.tests.MapCSSTagChecker.addMapCSS(MapCSSTagChecker.java:735)
	at org.openstreetmap.josm.data.validation.tests.MapCSSTagChecker.initialize(MapCSSTagChecker.java:762)
	at org.openstreetmap.josm.data.validation.OsmValidator.initializeTests(OsmValidator.java:401)
	at org.openstreetmap.josm.data.validation.OsmValidator.initializeTests(OsmValidator.java:384)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:514)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1135)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:844)

2018-06-25 08:35:10.562 FINE: Adding resource://data/validator/deprecated.mapcss to tag checker
2018-06-25 08:35:10.577 FINE: Adding resource://data/validator/geometry.mapcss to tag checker

JOSM:

Relative:URL: ^/trunk
Repository:UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
Last:Changed Date: 2018-06-24 19:57:43 +0200 (Sun, 24 Jun 2018)
Revision:13974
Build-Date:2018-06-24 18:08:53
URL:https://josm.openstreetmap.de/svn/trunk

Identification: JOSM/1.5 (13974 en) Linux Debian GNU/Linux testing (buster)
Memory Usage: 832 MB / 7168 MB (403 MB allocated, but free)
Java version: 10.0.1+10-Debian-4, Oracle Corporation, OpenJDK 64-Bit Server VM
Screen: :0.0 1600x900, :0.1 1280x1024
Maximum Screen Size: 1600x1024
Java package: openjdk-10-jre:amd64-10.0.1+10-4
Java ATK Wrapper package: libatk-wrapper-java:all-0.33.3-21
VM arguments: [--add-modules=java.activation,java.se.ee, -Dawt.useSystemAAFontSettings=gasp]
Program arguments: [--language=en, --debug]

[Klumbumbus]

In 13975/josm:

fix #16423, see #16147 - fix mapcss rule

[Don-vip]

Oops. Thanks.