Crash while the game trying to save

[Yakka]

Lenovo TB3-730X, v: 23 (Android)
1.10.00a (11000), p:false

java.lang.IllegalStateException: City.save was not called in main thread. You can use Runtime.postpone to call functions on the main thread.

java.lang.IllegalStateException: City.save was not called in main thread. You can use Runtime.postpone to call functions on the main thread.
	at info.flowersoft.theotown.stages.CityStage$2.save(CityStage.java:221)
	at info.flowersoft.theotown.store.StoreStage.access$2100(StoreStage.java:40464)
	at info.flowersoft.theotown.store.StoreStage$18.run(StoreStage.java:440)
	at info.flowersoft.theotown.ui.Dialog$10.onClick(Dialog.java:314)
	at io.blueflower.stapel2d.gui.Gadget.performOnClick(Gadget.java:500)
	at io.blueflower.stapel2d.gui.SensitiveGadget.updateTouchInput(SensitiveGadget.java:113)
	at io.blueflower.stapel2d.gui.Gadget.updateTouchInput(Gadget.java:465)
	at io.blueflower.stapel2d.gui.Gadget.updateTouchInput(Gadget.java:465)
	at io.blueflower.stapel2d.gui.SensitiveGadget.updateTouchInput(SensitiveGadget.java:120)
	at io.blueflower.stapel2d.gui.SensitiveGadget.updateTouchInput(SensitiveGadget.java:120)
	at info.flowersoft.theotown.ui.Dialog$Background.updateTouchInput(Dialog.java:524)
	at io.blueflower.stapel2d.gui.Gadget.updateTouchInput(Gadget.java:465)
	at info.flowersoft.theotown.stages.BaseStage.update(BaseStage.java:208)
	at io.blueflower.stapel2d.gamestack.GameStack.update(GameStack.java:154)
	at info.flowersoft.theotown.MyGdxGame.render(MyGdxGame.java:158)
	at com.badlogic.gdx.backends.android.AndroidGraphics.onDrawFrame(AndroidGraphics.java:471)
	at android.opengl.GLSurfaceView$GLThread.guardedRun(GLSurfaceView.java:1590)
	at android.opengl.GLSurfaceView$GLThread.run(GLSurfaceView.java:1286)

[TBane]

I have also faced this problem. Trying clearing the RAM before starting it.

[KINGTUT10101]

Have you downloaded any new plugins recently?

[Yakka]

Have you downloaded any new plugins recently?

Yes,most of them are just update