java.lang.NullPointerException: Attempt to invoke interface method 'boolean java.util.List.remove(java.lang.Object)' on a null object reference

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Attempt to invoke interface method 'boolean java.util.List.remove(java.lang.Object)' on a null object reference
java.lang.NullPointerException: Attempt to invoke interface method 'boolean java.util.List.remove(java.lang.Object)' on a null object reference
at com.example.adam_jaamour.cfimmobilier.Produits.ProduitsAdapter.remove(ProduitsAdapter.java:144)
at com.example.adam_jaamour.cfimmobilier.Favoris$2.onActionItemClicked(Favoris.java:138)
at android.support.v7.view.SupportActionModeWrapper$CallbackWrapper.onActionItemClicked(SupportActionModeWrapper.java:168)
at android.support.v7.app.AppCompatDelegateImplV7$ActionModeCallbackWrapperV7.onActionItemClicked(AppCompatDelegateImplV7.java:1750)
at android.support.v7.app.AppCompatDelegateImplV7$ActionModeCallbackWrapperV7.onActionItemClicked(AppCompatDelegateImplV7.java:1750)
at android.support.v7.view.menu.MenuBuilder.dispatchMenuItemSelected(MenuBuilder.java:811)
at android.support.v7.view.menu.MenuItemImpl.invoke(MenuItemImpl.java:152)
at android.support.v7.view.menu.MenuBuilder.performItemAction(MenuBuilder.java:958)
at android.support.v7.view.menu.MenuBuilder.performItemAction(MenuBuilder.java:948)
at android.support.v7.view.menu.ActionMenuItemView.onClick(ActionMenuItemView.java:139)
at android.view.View.performClick(View.java:5198)
at android.view.View$PerformClick.run(View.java:21147)
at android.os.Handler.handleCallback(Handler.java:739)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:148)
at android.app.ActivityThread.main(ActivityThread.java:5417)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)

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