[TYPO3] How to delete a site with sub-pages

[tapio]

Rafael Freuler wrote:
>> I am new to Typo3. I have been sharing a website development with some 
>> colleagues. I am unable to delete a root level page (site). Whenever I 
>> do that it gives me a message: 1: Attempt to delete page which has 
>> subpages.
> 
> 
> or put this in the Tsconfig of your user (or usergroup):
> setup.override {
>   copyLevels=1000
>   recursiveDelete=1
> }
> 
> Cheers,
> Rafi

I didn't find the documentation, which explains possible setup.override 
possibilities (I found that when the older typo3.org was used but it is 
difficult to find anything from the new site)