want relax with zen, but ....

[pflegende]

want relax with zen, but ....
bash: zen.sh: line 53: syntax error: bad substitution

also seems something wrong with line 🧐:
afplay $LOCAL_FILE &

Even if the code does not currently reach this point ...
😊

[codebox]

Have you edited the script at all before running it? Line 53 is blank so no error there. Are you running on macOs or another o/s?