https://github.com/dalehenrich/Rowan#gsdevkit_home-rowan-installation
Creating the Rowan stone leaves you in $GS_HOME/GsDevKit_home/shared/repos/tode. The next cd is incorrect.
I believe the correct next step is
cd $GS_HOME/shared/repos
or cd ../
createStone -f $rowan_stone_name 3.4.0 <<<< leaves you in tode directory
# clone Rowan
cd shared/repos <<<< incorrect