Steps:
1. Open new Unity project and create a standard 3d template
2. Open Windows tab and click on Package Manager tab
3. Go to My Assets and click on a few

Expected Result: No errors
Current Result: Errors thrown into console

First found in ver 23.1.0a5
Affected versions: 23.1.0a5, 22.2.0b5
Fixed in: 22.1.12f

Extra Info:
Similar warnings showing when Minimizing/Maximizing the package manager window
Changing the sorting option in the window also creates similar warnings
All errors relate to character unicode
Main assets affected include: https://assetstore.unity.com/packages/audio/sound-fx/epic-game-hits-sfx-36617

Bug Error Code:

Error:
IndexOutOfRangeException: Index was outside the bounds of the array.
UnityEngine.TextCore.Text.TextGenerator.ValidateHtmlTag (UnityEngine.TextCore.Text.TextProcessingElement[] chars, System.Int32 startIndex, System.Int32& endIndex, UnityEngine.TextCore.Text.TextGenerationSettings generationSettings, UnityEngine.TextCore.Text.TextInfo textInfo) (at <8d7b36f78bf94caebc9095044bc3072b>:0)
UnityEngine.TextCore.Text.TextGenerator.GenerateTextMesh (UnityEngine.TextCore.Text.TextGenerationSettings generationSettings, UnityEngine.TextCore.Text.TextInfo textInfo) (at <8d7b36f78bf94caebc9095044bc3072b>:0)
UnityEngine.TextCore.Text.TextGenerator.GenerateText (UnityEngine.TextCore.Text.TextGenerationSettings settings, UnityEngine.TextCore.Text.TextInfo textInfo) (at <8d7b36f78bf94caebc9095044bc3072b>:0)
UnityEngine.TextCore.Text.TextHandle.Update (UnityEngine.TextCore.Text.TextGenerationSettings tgs) (at <8d7b36f78bf94caebc9095044bc3072b>:0)
UnityEngine.UIElements.UITKTextHandle.Update () (at <3bbb851f0bee4305887e122cccf616de>:0)
UnityEngine.UIElements.UIR.Implementation.UIRStylePainter.DrawText (UnityEngine.UIElements.TextElement te) (at <3bbb851f0bee4305887e122cccf616de>:0)
UnityEngine.UIElements.MeshGenerationContextUtils.Text (UnityEngine.UIElements.MeshGenerationContext mgc, UnityEngine.UIElements.TextElement te) (at <3bbb851f0bee4305887e122cccf616de>:0)
UnityEngine.UIElements.TextElement.OnGenerateVisualContent (UnityEngine.UIElements.MeshGenerationContext mgc) (at <3bbb851f0bee4305887e122cccf616de>:0)
UnityEngine.UIElements.VisualElement.InvokeGenerateVisualContent (UnityEngine.UIElements.MeshGenerationContext mgc) (at <3bbb851f0bee4305887e122cccf616de>:0)
UnityEngine.GUIUtility:ProcessEvent(Int32, IntPtr, Boolean&)

Warning:
The character with Unicode value \u26A1 was not found in the [Inter-Regular SDF] font asset or any potential fallbacks. It was replaced by Unicode character \u25A1.
UnityEngine.GUIUtility:ProcessEvent (int,intptr,bool&)