I have had the same problem. I resolved it with a work around. I added to the environment the following.
PWD=$(echo $PWD | cut -c 14-)
I added the following lines to the tsu script at line numbers 239 - 241
# Following line added to fix the problem of pwd starting with (unreachable)
ENV_BUILT+=" PWD=$(echo $PWD | cut -c 14-)"
Following is the the ...