java troubles.(game crashing frequently)

[liamw1986]

java.lang.RuntimeException: haven.BGL$BGLException: java.lang.IndexOutOfBoundsException: Required 1 remaining elements in buffer, only had 0
at com.jogamp.common.util.awt.AWTEDTExecutor.invoke(AWTEDTExecutor.java:58)
at jogamp.opengl.awt.AWTThreadingPlugin.invokeOnOpenGLThread(AWTThreadingPlugin.java:103)
at jogamp.opengl.ThreadingImpl.invokeOnOpenGLThread(ThreadingImpl.java:206)
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:528)
at haven.HavenPanel$6.uglyjoglhack(HavenPanel.java:441)
at haven.HavenPanel$6.run(HavenPanel.java:472)
at java.lang.Thread.run(Unknown Source)
Caused by: haven.BGL$BGLException: java.lang.IndexOutOfBoundsException: Required 1 remaining elements in buffer, only had 0
at haven.BGL.run(BGL.java:80)
at haven.HavenPanel.redraw(HavenPanel.java:387)
at haven.HavenPanel$1.display(HavenPanel.java:102)
at jogamp.opengl.GLDrawableHelper.displayImpl(GLDrawableHelper.java:649)
at jogamp.opengl.GLDrawableHelper.display(GLDrawableHelper.java:633)
at javax.media.opengl.awt.GLCanvas$9.run(GLCanvas.java:1271)
at jogamp.opengl.GLDrawableHelper.invokeGLImpl(GLDrawableHelper.java:1103)
at jogamp.opengl.GLDrawableHelper.invokeGL(GLDrawableHelper.java:978)
at javax.media.opengl.awt.GLCanvas$10.run(GLCanvas.java:1282)
at java.awt.event.InvocationEvent.dispatch(Unknown Source)
at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
at java.awt.EventQueue.access$500(Unknown Source)
at java.awt.EventQueue$3.run(Unknown Source)
at java.awt.EventQueue$3.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.run(Unknown Source)
Caused by: java.lang.IndexOutOfBoundsException: Required 1 remaining elements in buffer, only had 0
at com.jogamp.common.nio.Buffers.rangeCheck(Buffers.java:1033)
at jogamp.opengl.gl4.GL4bcImpl.glVertexPointer(GL4bcImpl.java:35795)
at haven.BGL$111.run(BGL.java:810)
at haven.BGL.run(BGL.java:78)
... 22 more

The above is the generated error report. THis is happening every 2-45 minutes roughly. I am using windows 7 home edition and my java is version 8 update 60.