file missing - new install

[oldfart101]

new install of emonSD-21Jul21.img onto emonpi
error:
Warning: require_once(/home/pi/demandshaper/lib/misc.php): failed to open stream: No such file or directory in /opt/emoncms/modules/demandshaper/demandshaper-module/demandshaper_controller.php on line 31

Fatal error: require_once(): Failed opening required '/home/pi/demandshaper/lib/misc.php' (include_path='.:/usr/share/php') in /opt/emoncms/modules/demandshaper/demandshaper-module/demandshaper_controller.php on line 31