Salem

How do I fix this java error


java.lang.RuntimeException: haven.GOut$GLInvalidValueException: GL Error: 1281 (invalid value)
at jogamp.common.awt.AWTEDTExecutor.invoke(AWTEDTExecutor.java:58)
at jogamp.opengl.awt.AWTThreadingPlugin.invokeOnOpenGLThread(AWTThreadingPlugin.java:103)
at jogamp.opengl.ThreadingImpl.invokeOnOpenGLThread(ThreadingImpl.java:205)
at javax.media.opengl.Threading.invokeOnOpenGLThread(Threading.java:172)
at javax.media.opengl.Threading.invoke(Threading.java:191)
at javax.media.opengl.awt.GLCanvas.display(GLCanvas.java:449)
at haven.HavenPanel.uglyjoglhack(HavenPanel.java:388)
at haven.HavenPanel.run(HavenPanel.java:420)
at java.lang.Thread.run(Unknown Source)
Caused by: haven.GOut$GLInvalidValueException: GL Error: 1281 (invalid value)
at haven.GOut.glexcfor(GOut.java:97)
at haven.GOut.checkerr(GOut.java:107)
at haven.GLState$Applier.apply(GLState.java:469)
at haven.GOut.apply(GOut.java:194)
at haven.res.lib.leaves.FallingLeaves$MSlot.draw(FallingLeaves.java:36)
at haven.RenderList.render(RenderList.java:209)
at haven.RenderList.render(RenderList.java:220)
at haven.PView.draw(PView.java:169)
at haven.MapView.draw(MapView.java:758)
at haven.Widget.draw(Widget.java:509)
at haven.Widget.draw(Widget.java:514)
at haven.GameUI.draw(GameUI.java:380)
at haven.Widget.draw(Widget.java:509)
at haven.Widget.draw(Widget.java:514)
at haven.RootWidget.draw(RootWidget.java:61)
at haven.UI.draw(UI.java:139)
at haven.HavenPanel.redraw(HavenPanel.java:276)
at haven.HavenPanel$1.display(HavenPanel.java:91)
at jogamp.opengl.GLDrawableHelper.displayImpl(GLDrawableHelper.java:373)
at jogamp.opengl.GLDrawableHelper.display(GLDrawableHelper.java:358)
at javax.media.opengl.awt.GLCanvas$7.run(GLCanvas.java:983)
at jogamp.opengl.GLDrawableHelper.invokeGLImpl(GLDrawableHelper.java:655)
at jogamp.opengl.GLDrawableHelper.invokeGL(GLDrawableHelper.java:594)
at javax.media.opengl.awt.GLCanvas$8.run(GLCanvas.java:996)
at java.awt.event.InvocationEvent.dispatch(Unknown Source)
at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
at java.awt.EventQueue.access$200(Unknown Source)
at java.awt.EventQueue$3.run(Unknown Source)
at java.awt.EventQueue$3.run(Unknown Source)

Update your graphics drivers, or update your operating system for better driver support.

Also, you graphics card needs to have support for OpenGL 2.0 If you don't have support for OpenGL 2.0 then you need to replace your graphics card.