Issue with unsupported text

Hello there,
Is there a way to check if the added text to the TextMeshProUGUI object contains any missing/unsupported characters or if any other potential fallback occurred?

I have this in-game console, where all kind of text is being added to it. After a certain text was added the TextMeshProUGUI object would not change at all whenever a new text was appended to it. And when I tried to edit a text in the inspector, I received this warning message:

The character with Unicode value...

Issue with unsupported text