WMSplugin is disabled

[TigerDuck]

JOSM asks for WMSplugin to be kept or disabled due the following error:

loading wmsplugin
org.openstreetmap.josm.plugins.PluginException: An error occurred in plugin wmsplugin

at org.openstreetmap.josm.plugins.PluginInformation.load(PluginInformation.java:148)
at org.openstreetmap.josm.plugins.PluginHandler.loadPlugins(PluginHandler.java:141)
at org.openstreetmap.josm.gui.MainApplication.main(MainApplication.java:170)

Caused by: java.util.regex.PatternSyntaxException: Unclosed group near index 70
(?:mapwarper\.net|warper\.geothings\.net/(?:.*?)/([0-9]+)(?:\?|/|\.|$)

at java.util.regex.Pattern.error(Pattern.java:1730)
at java.util.regex.Pattern.accept(Pattern.java:1588)
at java.util.regex.Pattern.group0(Pattern.java:2550)
at java.util.regex.Pattern.sequence(Pattern.java:1823)
at java.util.regex.Pattern.expr(Pattern.java:1769)
at java.util.regex.Pattern.compile(Pattern.java:1477)
at java.util.regex.Pattern.<init>(Pattern.java:1150)
at java.util.regex.Pattern.compile(Pattern.java:840)
at wmsplugin.Map_Rectifier_WMSmenuAction$rectifierService.<init>(Map_Rectifier_WMSmenuAction.java:53)
at wmsplugin.Map_Rectifier_WMSmenuAction.<init>(Map_Rectifier_WMSmenuAction.java:89)
at wmsplugin.WMSPlugin.refreshMenu(WMSPlugin.java:165)
at wmsplugin.WMSPlugin.<init>(WMSPlugin.java:57)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:532)
at java.lang.Class.newInstance0(Class.java:372)
at java.lang.Class.newInstance(Class.java:325)
at org.openstreetmap.josm.plugins.PluginInformation.load(PluginInformation.java:146)
... 2 more

[stoecker]

Closed as duplicate of #2718.