Hi,
the error
"Error in startup script: can't read "parts(n)": no such variable"
is unfortunately a bit misleading and originates from a different
problem.
Can you please enter
g.region -p
into the command line and report which error appears?
Internally in gis.m, the g.region command is executed and the
result parsed using the "parts()" function (file mapcanvas.tcl).
If g.region fails due to an installation problem, the reported
error appears.
Markus
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