Answered
Why are all my text boxes are highlighted in red
Why are my text boxes all red

ed?
Why are my text boxes all red

ed?
This usually indicates that illustrator cannot find the font you are using.
Sometimes, the font does not load properly and you need to restart, sometimes it gets confused or a font is not activated (if you have a font management software or it is a cloud font).
From the Type menu, there is:
they can help locate the source of your issue.
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