Here is the log.
NullReferenceException: Object reference not set to an instance of an object
UnityEngine.TextCore.Text.FontAsset.SetupNewAtlasTexture () (at :0)
UnityEngine.TextCore.Text.FontAsset.TryAddCharacterInternal (System.UInt32 unicode, UnityEngine.TextCore.Text.Character& character, System.Boolean shouldGetFontFeatures) (at :0)
UnityEngine.TextCore.Text.FontAssetUtilities.GetCharacterFromFontAsset_Internal (System.UInt32 unicode, UnityEngine.TextCore.Text.FontAsset sourceFontAsset, System.Boolean includeFallbacks, UnityEngine.TextCore.Text.FontStyles fontStyle, UnityEngine.TextCore.Text.TextFontWeight fontWeight, System.Boolean& isAlternativeTypeface) (at :0)
UnityEngine.TextCore.Text.FontAssetUtilities.GetCharacterFromFontAsset_Internal (System.UInt32 unicode, UnityEngine.TextCore.Text.FontAsset sourceFontAsset, System.Boolean includeFallbacks, UnityEngine.TextCore.Text.FontStyles fontStyle, UnityEngine.TextCore.Text.TextFontWeight fontWeight, System.Boolean& isAlternativeTypeface) (at :0)
UnityEngine.TextCore.Text.FontAssetUtilities.GetCharacterFromFontAssets (System.UInt32 unicode, UnityEngine.TextCore.Text.FontAsset sourceFontAsset, System.Collections.Generic.List`1[T] fontAssets, System.Boolean includeFallbacks, UnityEngine.TextCore.Text.FontStyles fontStyle, UnityEngine.TextCore.Text.TextFontWeight fontWeight, System.Boolean& isAlternativeTypeface) (at :0)
UnityEngine.TextCore.Text.TextGenerator.GetTextElement (UnityEngine.TextCore.Text.TextGenerationSettings generationSettings, System.UInt32 unicode, UnityEngine.TextCore.Text.FontAsset fontAsset, UnityEngine.TextCore.Text.FontStyles fontStyle, UnityEngine.TextCore.Text.TextFontWeight fontWeight, System.Boolean& isUsingAlternativeTypeface) (at :0)
UnityEngine.TextCore.Text.TextGenerator.SetArraySizes (UnityEngine.TextCore.Text.TextProcessingElement[ ] textProcessingArray, UnityEngine.TextCore.Text.TextGenerationSettings generationSettings, UnityEngine.TextCore.Text.TextInfo textInfo) (at :0)
UnityEngine.TextCore.Text.TextGenerator.Prepare (UnityEngine.TextCore.Text.TextGenerationSettings generationSettings, UnityEngine.TextCore.Text.TextInfo textInfo) (at :0)
UnityEngine.TextCore.Text.TextGenerator.GetPreferredValues (UnityEngine.TextCore.Text.TextGenerationSettings settings, UnityEngine.TextCore.Text.TextInfo textInfo) (at :0)
UnityEngine.TextCore.Text.TextHandle.UpdatePreferredValues (UnityEngine.TextCore.Text.TextGenerationSettings tgs) (at :0)
UnityEngine.TextCore.Text.TextHandle.ComputeTextWidth (UnityEngine.TextCore.Text.TextGenerationSettings tgs) (at :0)
UnityEngine.UIElements.UITKTextHandle.ComputeTextWidth (System.String textToMeasure, System.Boolean wordWrap, System.Single width, System.Single height) (at <2c62f5a99353486389ce268a5295ac09>:0)
UnityEngine.UIElements.TextUtilities.MeasureVisualElementTextSize (UnityEngine.UIElements.TextElement te, System.String textToMeasure, System.Single width, UnityEngine.UIElements.VisualElement+MeasureMode widthMode, System.Single height, UnityEngine.UIElements.VisualElement+MeasureMode heightMode) (at <2c62f5a99353486389ce268a5295ac09>:0)
UnityEngine.UIElements.TextElement.MeasureTextSize (System.String textToMeasure, System.Single width, UnityEngine.UIElements.VisualElement+MeasureMode widthMode, System.Single height, UnityEngine.UIElements.VisualElement+MeasureMode heightMode) (at <2c62f5a99353486389ce268a5295ac09>:0)
UnityEngine.UIElements.TextElement.DoMeasure (System.Single desiredWidth, UnityEngine.UIElements.VisualElement+MeasureMode widthMode, System.Single desiredHeight, UnityEngine.UIElements.VisualElement+MeasureMode heightMode) (at <2c62f5a99353486389ce268a5295ac09>:0)
UnityEngine.UIElements.VisualElement.Measure (UnityEngine.Yoga.YogaNode node, System.Single width, UnityEngine.Yoga.YogaMeasureMode widthMode, System.Single height, UnityEngine.Yoga.YogaMeasureMode heightMode) (at <2c62f5a99353486389ce268a5295ac09>:0)
UnityEngine.UIElements.VisualElement.b__423_0 (UnityEngine.Yoga.YogaNode node, System.Single f, UnityEngine.Yoga.YogaMeasureMode mode, System.Single f1, UnityEngine.Yoga.YogaMeasureMode heightMode) (at <2c62f5a99353486389ce268a5295ac09>:0)
UnityEngine.Yoga.YogaNode.MeasureInternal (UnityEngine.Yoga.YogaNode node, System.Single width, UnityEngine.Yoga.YogaMeasureMode widthMode, System.Single height, UnityEngine.Yoga.YogaMeasureMode heightMode) (at <2c62f5a99353486389ce268a5295ac09>:0)
UnityEngine.Yoga.Native.YGNodeMeasureInvoke (UnityEngine.Yoga.YogaNode node, System.Single width, UnityEngine.Yoga.YogaMeasureMode widthMode, System.Single height, UnityEngine.Yoga.YogaMeasureMode heightMode, System.IntPtr returnValueAddress) (at <2c62f5a99353486389ce268a5295ac09>:0)
UnityEditor.InspectorWindow:RedrawFromNative()