I used to use the ESTK (years ago), but with CC 2018 it doesn't seem to work anymore. When I try and execute a script it tries to run the CS4 version. "Target Illustrator CS4 is not running". The first line of the script is "#target illustrator".
This is for a mac.
type the following into ESTK and click run:
make sure that you have the correct version of illustrator selected in the dropdown menu at the top of the ESTK window.
I use illlustrator CC2014, so my version is 18.1.1.
when you have your proper version number, amend your target statement to include the first portion of your version number. For example: