lamp's bug

[penelop]

was picking up lamp and this happens. please help.
ign : oyajung1


1.67.9.b1cad78a
Windows 7 6.1 x64, 1.8.0_171 amd64
ATI Technologies Inc. (ASUS EAH6770 Series) - 4.1.10666 Compatibility Profile Context

java.lang.NoClassDefFoundError: haven/Equipory$SlotInfo
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(Unknown Source)
at java.lang.ClassLoader.defineClass(Unknown Source)
at haven.Resource$CodeEntry$1$1.findClass(Resource.java:1195)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at haven.Resource$CodeEntry.load(Resource.java:1217)
at haven.Resource$CodeEntry.get(Resource.java:1247)
at haven.Resource.getcode(Resource.java:1114)
at haven.ItemInfo.buildinfo(ItemInfo.java:409)
at haven.GItem.info(GItem.java:192)
at haven.WItem.info(WItem.java:148)
at haven.ItemInfo$AttrCache.get(ItemInfo.java:455)
at haven.WItem.draw(WItem.java:213)
at haven.Widget.draw(Widget.java:694)
at haven.Widget.draw(Widget.java:699)
at haven.GameUI.draw(GameUI.java:741)
at haven.Widget.draw(Widget.java:694)
at haven.Widget.draw(Widget.java:699)
at haven.RootWidget.draw(RootWidget.java:67)
at haven.UI.draw(UI.java:138)
at haven.HavenPanel.rootdraw(HavenPanel.java:342)
at haven.HavenPanel.run(HavenPanel.java:608)
at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.ClassNotFoundException: Could not find class haven.Equipory$SlotInfo in resource (ui/tt/equed(v3))
at haven.Resource$CodeEntry$1$1.findClass(Resource.java:1194)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
... 24 more

[MagicManICT]

Just to be clear, is this with the default client, or are you using a modded client? If it's a modded client, make sure you update your client after patches.

Otherwise, this issue isn't familiar to me. We'll need to wait to see what loftar says.