Text UI Missing?

TMP_Font Asset Missing?

Make sure that the Canvases and/or UI Manager has a font asset set and this may fix your issue

Check Alpha value of font color

Click on the colour and make sure the alpha value at the bottom titled A should be 225

Creating Custom TMP Font

Overlapping Text Issue?

Sometimes when you copy text into a text box in Unity you get carriage style errors which is an additional character that makes the text display incorrectly. Paste the text into notepad and copy this back out and into your text box.