Unity unexpected errors

Hi. It's my 4th project that I'm redoing because of these errors: I work on my project ,import google admobs everything works fine, save, close project. When i try to reopen my project, Unity makes some library/gradle updates and then thousands of errors appear, the Inspector Window in the right side turned black, cannot edit my game, Unity crashed : NullReferenceException: Object reference not set to an instance of an object UnityEngine.UIElements.UIR.UIRenderDevice.get_ComputeIsAvailable () (at C:/buildslave/unity/build/Modules/UIElements/Renderer/UIRenderer/UIRenderDevice.cs:230) UnityEngine.UIElements.UIR.UIRenderDevice.CompleteCreation () (at C:/buildslave/unity/build/Modules/UIElements/Renderer/UIRenderer/UIRenderDevice.cs:251) UnityEngine.UIElements.UIR.UIRenderDevice.AllocateTransform () (at C:/buildslave/unity/build/Modules/UIElements/Renderer/UIRenderer/UIRenderDevice.cs:553) UnityEngine.UIElements.UIR.Implementation.RenderEvents.DepthFirstOnClippingChanged (UnityEngine.UIElements.UIR.RenderChain renderChain, UnityEngine.UIElements.VisualElement parent, UnityEngine.UIElements.VisualElement ve, System.UInt32 dirtyID, System.Boolean hierarchical, System.Boolean isRootOfChange, System.Boolean isPendingHierarchicalRepaint, System.Boolean inheritedTransformIDChanged, System.Boolean inheritedStencilClippedChanged, UnityEngine.UIElements.UIR.UIRenderDevice device, UnityEngine.UIElements.UIR.ChainBuilderStats& stats) (at C:/buildslave/unity/build/Modules/UIElements/Renderer/UIRChainBuilderImpl.cs:314) UnityEngine.UIElements.UIR.Implementation.RenderEvents.DepthFirstOnClippingChanged (UnityEngine.UIElements.UIR.RenderChain renderChain, UnityEngine.UIElements.VisualElement parent, UnityEngine.UIElements.VisualElement ve, System.UInt32 dirtyID, System.Boolean hierarchical, System.Boolean isRootOfChange, System.Boolean isPendingHierarchicalRepaint, System.Boolean inheritedTransformIDChanged, System.Boolean inheritedStencilClippedChanged, UnityEngine.UIElements.UIR.UIRenderDevice device, UnityEngine.UIElements.UIR.ChainBuilderStats& stats) (at C:/buildslave/unity/build/Modules/UIElements/Renderer/UIRChainBuilderImpl.cs:413) UnityEngine.UIElements.UIR.Implementation.RenderEvents.DepthFirstOnClippingChanged (UnityEngine.UIElements.UIR.RenderChain renderChain, UnityEngine.UIElements.VisualElement parent, UnityEngine.UIElements.VisualElement ve, System.UInt32 dirtyID, System.Boolean hierarchical, System.Boolean isRootOfChange, System.Boolean isPendingHierarchicalRepaint, System.Boolean inheritedTransformIDChanged, System.Boolean inheritedStencilClippedChanged, UnityEngine.UIElements.UIR.UIRenderDevice device, UnityEngine.UIElements.UIR.ChainBuilderStats& stats) (at C:/buildslave/unity/build/Modules/UIElements/Renderer/UIRChainBuilderImpl.cs:413) UnityEngine.UIElements.UIR.Implementation.RenderEvents.DepthFirstOnClippingChanged (UnityEngine.UIElements.UIR.RenderChain renderChain, UnityEngine.UIElements.VisualElement parent, UnityEngine.UIElements.VisualElement ve, System.UInt32 dirtyID, System.Boolean hierarchical, System.Boolean isRootOfChange, System.Boolean isPendingHierarchicalRepaint, System.Boolean inheritedTransformIDChanged, System.Boolean inheritedStencilClippedChanged, UnityEngine.UIElements.UIR.UIRenderDevice device, UnityEngine.UIElements.UIR.ChainBuilderStats& stats) (at C:/buildslave/unity/build/Modules/UIElements/Renderer/UIRChainBuilderImpl.cs:413) UnityEngine.UIElements.UIR.Implementation.RenderEvents.DepthFirstOnClippingChanged (UnityEngine.UIElements.UIR.RenderChain renderChain, UnityEngine.UIElements.VisualElement parent, UnityEngine.UIElements.VisualElement ve, System.UInt32 dirtyID, System.Boolean hierarchical, System.Boolean isRootOfChange, System.Boolean isPendingHierarchicalRepaint, System.Boolean inheritedTransformIDChanged, System.Boolean inheritedStencilClippedChanged, UnityEngine.UIElements.UIR.UIRenderDevice device, UnityEngine.UIElements.UIR.ChainBuilderStats& stats) (at C:/buildslave/unity/build/Modules/UIElements/Renderer/UIRChainBuilderImpl.cs:413) UnityEngine.UIElements.UIR.Implementation.RenderEvents.ProcessOnClippingChanged (UnityEngine.UIElements.UIR.RenderChain renderChain, UnityEngine.UIElements.VisualElement ve, System.UInt32 dirtyID, UnityEngine.UIElements.UIR.UIRenderDevice device, UnityEngine.UIElements.UIR.ChainBuilderStats& stats) (at C:/buildslave/unity/build/Modules/UIElements/Renderer/UIRChainBuilderImpl.cs:107) UnityEngine.UIElements.UIR.RenderChain.Render (UnityEngine.Rect topRect, UnityEngine.Matrix4x4 projection) (at C:/buildslave/unity/build/Modules/UIElements/Renderer/UIRChainBuilder.cs:161) UnityEngine.UIElements.UIRRepaintUpdater.DrawChain (UnityEngine.Rect topRect, UnityEngine.Matrix4x4 projection) (at C:/buildslave/unity/build/Modules/UIElements/Renderer/UIRRepaintUpdater.cs:66) UnityEngine.UIElements.UIRRepaintUpdater.Update () (at C:/buildslave/unity/build/Modules/UIElements/Renderer/UIRRepaintUpdater.cs:54) UnityEngine.UIElements.VisualTreeUpdater.UpdateVisualTree () (at C:/buildslave/unity/build/Modules/UIElements/VisualTreeUpdater.cs:72) UnityEngine.UIElements.Panel.Repaint (UnityEngine.Event e) (at C:/buildslave/unity/build/Modules/UIElements/Panel.cs:637) UnityEngine.UIElements.UIElementsUtility.DoDispatch (UnityEngine.UIElements.BaseVisualElementPanel panel) (at C:/buildslave/unity/build/Modules/UIElements/UIElementsUtility.cs:240) UnityEngine.UIElements.UIElementsUtility.ProcessEvent (System.Int32 instanceID, System.IntPtr nativeEventPtr) (at C:/buildslave/unity/build/Modules/UIElements/UIElementsUtility.cs:78) UnityEngine.GUIUtility.ProcessEvent (System.Int32 instanceID, System.IntPtr nativeEventPtr) (at C:/buildslave/unity/build/Modules/IMGUI/GUIUtility.cs:179)