Issue while installing R

Hi, how are you? I hope you be ok

I have a issue, when a use the command sudo add-apt-repository ‘deb focal-cran40/’, the code is no working, it send me this:

sudo add-apt-repository ‘deb focal-cran40/’

I don’t understand what happened, Can you help me?

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Hi @Kanon,

I didn’t quite understand what is the error.

If you type in:

sudo add-apt-repository ‘deb focal-cran40/’

You receive :

sudo add-apt-repository 'deb focal-cran40/’

Is that correct? Can you please give a little bit more information on the case?

Additionally, can you please try and do an update and upgrade prior to adding the repository to see if that would help out?