Cannot clone device or create new hardware profile

I just started learning android studio from thenewboston but I'm stuck with this problem.I cant clone a device or create a new hardware profile from the avd manager.It shows an error message saying "null".I'm able to click next,finish and also select devices.Yes I did try cloning by right clicking the phone profile too but I got the same error.It does open the explorer to import hardware profiles though.Please help me for free kappa!(seriously please help me)
this is the error message details btw:
null
java.lang.NullPointerException
at com.android.tools.swing.util.FormScalingUtil.scale Component(FormScalingUtil.java:183)
at com.android.tools.swing.util.FormScalingUtil.scale ComponentTreeWorker(FormScalingUtil.java:140)
at com.android.tools.swing.util.FormScalingUtil.scale ComponentTree(FormScalingUtil.java:111)
at com.android.tools.swing.util.FormScalingUtil.scale ComponentTree(FormScalingUtil.java:98)
at com.android.tools.idea.avdmanager.ConfigureDeviceO ptionsStep.<init>(ConfigureDeviceOptionsStep.java: 97)
at com.android.tools.idea.avdmanager.CloneDeviceActio n.actionPerformed(CloneDeviceAction.java:46)
at javax.swing.AbstractButton.fireActionPerformed(Abs tractButton.java:2022)
at javax.swing.AbstractButton$Handler.actionPerformed (AbstractButton.java:2348)
at javax.swing.DefaultButtonModel.fireActionPerformed (DefaultButtonModel.java:402)
at javax.swing.DefaultButtonModel.setPressed(DefaultB uttonModel.java:259)
at javax.swing.plaf.basic.BasicButtonListener.mouseRe leased(BasicButtonListener.java:252)
at java.awt.Component.processMouseEvent(Component.jav a:6535)
at javax.swing.JComponent.processMouseEvent(JComponen t.java:3324)
at java.awt.Component.processEvent(Component.java:630 0)
at java.awt.Container.processEvent(Container.java:223 6)
at java.awt.Component.dispatchEventImpl(Component.jav a:4891)
at java.awt.Container.dispatchEventImpl(Container.jav a:2294)
at java.awt.Component.dispatchEvent(Component.java:47 13)
at java.awt.LightweightDispatcher.retargetMouseEvent( Container.java:4888)
at java.awt.LightweightDispatcher.processMouseEvent(C ontainer.java:4525)
at java.awt.LightweightDispatcher.dispatchEvent(Conta iner.java:4466)
at java.awt.Container.dispatchEventImpl(Container.jav a:2280)
at java.awt.Window.dispatchEventImpl(Window.java:2750 )
at java.awt.Component.dispatchEvent(Component.java:47 13)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.j ava:758)
at java.awt.EventQueue.access0(EventQueue.java:97)
at java.awt.EventQueue.run(EventQueue.java:709)
at java.awt.EventQueue.run(EventQueue.java:703)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessI mpl.doIntersectionPrivilege(ProtectionDomain.java: 76)
at java.security.ProtectionDomain$JavaSecurityAccessI mpl.doIntersectionPrivilege(ProtectionDomain.java: 86)
at java.awt.EventQueue.run(EventQueue.java:731)
at java.awt.EventQueue.run(EventQueue.java:729)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessI mpl.doIntersectionPrivilege(ProtectionDomain.java: 76)
at java.awt.EventQueue.dispatchEvent(EventQueue.java: 728)
at com.intellij.ide.IdeEventQueue.defaultDispatchEven t(IdeEventQueue.java:866)
at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeE ventQueue.java:650)
at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEv entQueue.java:381)
at java.awt.EventDispatchThread.pumpOneEventForFilter s(EventDispatchThread.java:201)
at java.awt.EventDispatchThread.pumpEventsForFilter(E ventDispatchThread.java:116)
at java.awt.EventDispatchThread.pumpEventsForFilter(E ventDispatchThread.java:109)
at java.awt.WaitDispatchSupport.run(WaitDispatchSup port.java:184)
at java.awt.WaitDispatchSupport.run(WaitDispatchSup port.java:229)
at java.awt.WaitDispatchSupport.run(WaitDispatchSup port.java:227)
at java.security.AccessController.doPrivileged(Native Method)
at java.awt.WaitDispatchSupport.enter(WaitDispatchSup port.java:227)
at java.awt.Dialog.show(Dialog.java:1084)
at com.intellij.openapi.ui.impl.DialogWrapperPeerImpl $MyDialog.show(DialogWrapperPeerImpl.java:792)
at com.intellij.openapi.ui.impl.DialogWrapperPeerImpl .show(DialogWrapperPeerImpl.java:465)
at com.intellij.openapi.ui.DialogWrapper.invokeShow(D ialogWrapper.java:1638)
at com.intellij.openapi.ui.DialogWrapper.show(DialogW rapper.java:1587)
at com.intellij.openapi.ui.DialogWrapper.showAndGet(D ialogWrapper.java:1602)
at com.android.tools.idea.wizard.dynamic.DynamicWizar d.showAndGet(DynamicWizard.java:531)
at com.android.tools.idea.avdmanager.CreateAvdAction. actionPerformed(CreateAvdAction.java:41)
at javax.swing.AbstractButton.fireActionPerformed(Abs tractButton.java:2022)
at javax.swing.AbstractButton$Handler.actionPerformed (AbstractButton.java:2348)
at javax.swing.DefaultButtonModel.fireActionPerformed (DefaultButtonModel.java:402)
at javax.swing.DefaultButtonModel.setPressed(DefaultB uttonModel.java:259)
at javax.swing.plaf.basic.BasicButtonListener.mouseRe leased(BasicButtonListener.java:252)
at java.awt.Component.processMouseEvent(Component.jav a:6535)
at javax.swing.JComponent.processMouseEvent(JComponen t.java:3324)
at java.awt.Component.processEvent(Component.java:630 0)
at java.awt.Container.processEvent(Container.java:223 6)
at java.awt.Component.dispatchEventImpl(Component.jav a:4891)
at java.awt.Container.dispatchEventImpl(Container.jav a:2294)
at java.awt.Component.dispatchEvent(Component.java:47 13)
at java.awt.LightweightDispatcher.retargetMouseEvent( Container.java:4888)
at java.awt.LightweightDispatcher.processMouseEvent(C ontainer.java:4525)
at java.awt.LightweightDispatcher.dispatchEvent(Conta iner.java:4466)
at java.awt.Container.dispatchEventImpl(Container.jav a:2280)
at java.awt.Window.dispatchEventImpl(Window.java:2750 )
at java.awt.Component.dispatchEvent(Component.java:47 13)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.j ava:758)
at java.awt.EventQueue.access0(EventQueue.java:97)
at java.awt.EventQueue.run(EventQueue.java:709)
at java.awt.EventQueue.run(EventQueue.java:703)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessI mpl.doIntersectionPrivilege(ProtectionDomain.java: 76)
at java.security.ProtectionDomain$JavaSecurityAccessI mpl.doIntersectionPrivilege(ProtectionDomain.java: 86)
at java.awt.EventQueue.run(EventQueue.java:731)
at java.awt.EventQueue.run(EventQueue.java:729)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessI mpl.doIntersectionPrivilege(ProtectionDomain.java: 76)
at java.awt.EventQueue.dispatchEvent(EventQueue.java: 728)
at com.intellij.ide.IdeEventQueue.defaultDispatchEven t(IdeEventQueue.java:866)
at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeE ventQueue.java:650)
at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEv entQueue.java:381)
at java.awt.EventDispatchThread.pumpOneEventForFilter s(EventDispatchThread.java:201)
at java.awt.EventDispatchThread.pumpEventsForFilter(E ventDispatchThread.java:116)
at java.awt.EventDispatchThread.pumpEventsForHierarch y(EventDispatchThread.java:105)
at java.awt.EventDispatchThread.pumpEvents(EventDispa tchThread.java:101)
at java.awt.EventDispatchThread.pumpEvents(EventDispa tchThread.java:93)
at java.awt.EventDispatchThread.run(EventDispatchThre ad.java:82)

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i wan't to know how i can tell if my GT08S is a clone or note ?

I hanve not the

the seller spec :
Affichage: 1.54 polegada capacitif écran tactile, 240x240
Cpu: MT6261
Ram: 64 mb; rom: 128 MB
Soutien fréquence: 850/900/1800/1900 MHz
Caméras: Une seule caméra 2MP Haut-parleur: supporter
Mic: supporter
SPK puissance amplificateur: supporter
G-capteur: supporter
Moteur de vibration: supporter
Sim Card slot: supporter
TF pont: supporter
Casque: supporter
Chargeur: supporter
Usb: supporter
Fm: supporter
Bluetooth: Bluetooth 3.0
Puissance: 300 mAh batterie rechargeable LI-ION

what he send me:

when typing *#8375# :
LD991_RuanAn_GT08S_LCD7789_9304_CAM3A01_LANGB_V1.6
[BRANCH]:
11CW1352MP
MTK61D_BTDIALER_11C
BUILD: BUILD_NO
SERIAL#:
[BUILD TIME]
2016/04/05 16:51
[MRE VERSION]
266950120
HAL_VERNO:

its a good one or not ?

if not how i can prouve to seller ?

thank you very much.

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thanks & regards
Prem

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