GRASS New/Open Mapset not available ( QGIS 2.18.7) on Mac OS

Question

I have QGIS 2.18 and the option to create a New Mapset is unavailable to me. GRASS is installed but when I go to the Plug-Ins>GRASS only Open GRASS Tools and GRASS Options are available to me. These are also the only icons in the GRASS toolbar.
How can I work with GRASS?

Update, I also notice this ('Currently selected GRASS installation is not valid'):

Beardsley · Accepted Answer

I fixed this by changing my Custom path to: /Applications/QGIS.app/Contents/MacOS/grass7

Mike · Answer

I too had this error with QGIS 3.6.1 on Windows 10. The exact error message was :

GRASS init error: GRASS was not found in 'D:/program files/QGIS 3.6/apps/grass/grass76/' (GISBASE), provider and plugin will not work.

I wondered if having spaces in the file path was a problem i.e. program files.

So, I copied the folder grass76 from my install location D:/program files/QGIS 3.6/apps/grass/ to D:/.

I then went back to plugins > grass > grass options and changed the custom directory to reflect the new location D:/grass76.

It worked!

spartacusSystem · Answer

I did on Windows what Mike mentioned, but instead I created a symbolic link from D:grass78 <<===>> D:Users*user*programsQGIS 3.16.3appsgrassgrass78

GRASS New/Open Mapset not available ( QGIS 2.18.7) on Mac OS

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