magic keyboard layout not available

Your correct input source should be Portuguese. Instead you probably have Brazilian. So in the input source list add Portuguese if necessary and remove Brazilian.

Scott Graham1 wrote:

the keyboard layout is wrong and I cannot find the correct layout in Settings.

If you tell us what language keyboard you are using and give examples of the wrong characters being produced, I ca probably tell you what input source you need to have active so that things match.

Write in another language on Mac - Apple Support