could not load main class

[Plexisse]

when i try to open it it blinks the bach file and says could not load main class
so what do i do?

[Taipion]

when i try to open it it blinks the bach file and says could not load main class
so what do i do?

First thing you do, is telling what you have, or what you're trying to run:
- what client?
- what OS?
- what Java version?
- how you try to start?
- what did you try yet to solve this issue?
- what is the exact error message and where do you get it? (screenshot)

[Valcor]

I have this error with Ender CL

java.lang.RuntimeException: haven.GOut$GLInvalidEnumException: GL Error: 1280 (invalid enumerant)
at com.jogamp.common.util.awt.AWTEDTExecutor.invoke(AWTEDTExecutor.java:58)
at jogamp.opengl.awt.AWTThreadingPlugin.invokeOnOpenGLThread(AWTThreadingPlugin.java:103)
at jogamp.opengl.ThreadingImpl.invokeOnOpenGLThread(ThreadingImpl.java:206)
at javax.media.opengl.Threading.invokeOnOpenGLThread(Threading.java:172)
at javax.media.opengl.Threading.invoke(Threading.java:191)
at javax.media.opengl.awt.GLCanvas.display(GLCanvas.java:528)
at haven.HavenPanel.uglyjoglhack(HavenPanel.java:418)
at haven.HavenPanel.run(HavenPanel.java:451)
at java.lang.Thread.run(Unknown Source)
Caused by: haven.GOut$GLInvalidEnumException: GL Error: 1280 (invalid enumerant)
at haven.GOut.glexcfor(GOut.java:96)
at haven.GOut.checkerr(GOut.java:107)
at haven.Light$LightList.apply(Light.java:217)
at haven.GLState$Applier.apply(GLState.java:494)
at haven.GOut.apply(GOut.java:203)
at haven.PView.draw(PView.java:242)
at haven.MapView.draw(MapView.java:1039)
at haven.Widget.draw(Widget.java:514)
at haven.Widget.draw(Widget.java:519)
at haven.GameUI.draw(GameUI.java:598)
at haven.Widget.draw(Widget.java:514)
at haven.Widget.draw(Widget.java:519)
at haven.RootWidget.draw(RootWidget.java:88)
at haven.UI.draw(UI.java:163)
at haven.HavenPanel.redraw(HavenPanel.java:296)
at haven.HavenPanel$1.display(HavenPanel.java:92)
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)

Windows 10 Pro 64
Java -- Version 8 Update 201 (build 1.8.0_201-b09)
Ender CL -- v04.07.2015 15:32
Graphical card -- Intel(R) HD Graphics 3000
Driver c:\windows\system32\drivers\igdkmd64.sys (9.17.10.4459, 5.13 MB (5,382,856 bytes), 3/9/2017 1:16 AM)
Running by "updater.jnlp" ; SHA256 -- 48C526969847C6502E9436CFCF51128C6F3EDA772BE383D40DEB6BF7780C7AC0

On normal game Client after ender CL was launch, on second time running, no error

java.lang.RuntimeException: java.lang.ArrayIndexOutOfBoundsException: 33
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.uglyjoglhack(HavenPanel.java:412)
at haven.HavenPanel.run(HavenPanel.java:445)
at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.ArrayIndexOutOfBoundsException: 33
at haven.GLState$Applier.apply(GLState.java:472)
at haven.GOut.apply(GOut.java:203)
at haven.TexGL.render(TexGL.java:381)
at haven.Tex.crender(Tex.java:90)
at haven.Tex.crender(Tex.java:95)
at haven.GOut.image(GOut.java:142)
at haven.GOut.aimage(GOut.java:152)
at haven.CharWnd$Attr.drawmeter(CharWnd.java:339)
at haven.GameUI$4$2.draw(GameUI.java:435)
at haven.Widget.draw(Widget.java:514)
at haven.Widget.draw(Widget.java:519)
at haven.GameUI$4.draw(GameUI.java:448)
at haven.Widget.draw(Widget.java:514)
at haven.Widget.draw(Widget.java:519)
at haven.GameUI.draw(GameUI.java:494)
at haven.Widget.draw(Widget.java:514)
at haven.Widget.draw(Widget.java:519)
at haven.RootWidget.draw(RootWidget.java:61)
at haven.UI.draw(UI.java:139)
at haven.HavenPanel.redraw(HavenPanel.java:293)
at haven.HavenPanel$1.display(HavenPanel.java:91)
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)