[GRASS-user] Error in installing r.futures addons in Pop!_OS 20.04

[Firman Hadi]

Dear all,

I tried to install r.futures addons in Ubuntu-based 20.04 system (Pop!_OS 20.04).
The installation failed with the error message as follows:
"svn: E170000: URL 'https://github.com/OSGeo/grass-addons/trunk/grass7/r.futures'
doesn't exist"

The modules can be found in this link 'https://github.com/OSGeo/grass-addons/tree/grass7/src/raster/r.futures' (https://link.getmailspring.com/link/A338C8A3-4B0F-44F2-820A-E3E57A97A118@getmailspring.com/0?redirect=https%3A%2F%2Fgithub.com%2FOSGeo%2Fgrass-addons%2Ftree%2Fgrass7%2F&recipient=Z3Jhc3MtdXNlckBsaXN0cy5vc2dlby5vcmc%3D)
So, I used console to install with this command: g.extension extension=r.futures url="https://github.com/OSGeo/grass-addons/tree/grass7/src/raster/r.futures"
Then another error message was shown:
"ERROR: Extension <r.futures> not found. Please check 'url' and 'branch' options".

Any help regarding the error would be very much appreciated.
Best regards,
Firman Hadi

E: firmanhadi at me.com (https://link.getmailspring.com/link/A338C8A3-4B0F-44F2-820A-E3E57A97A118@getmailspring.com/1?redirect=mailto%3Afirmanhadi%40me.com&recipient=Z3Jhc3MtdXNlckBsaXN0cy5vc2dlby5vcmc%3D)
P: +6281220001994 (tel:+6281220001994)
W: http://www.sigro.org (https://link.getmailspring.com/link/A338C8A3-4B0F-44F2-820A-E3E57A97A118@getmailspring.com/2?redirect=http%3A%2F%2Fwww.sigro.org&recipient=Z3Jhc3MtdXNlckBsaXN0cy5vc2dlby5vcmc%3D)

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