seems to be an unstable plugin, isn’t it?

17:40:16.716 [pimatic] error: An uncaught exception occurred: TypeError: buffer.search is not a function
17:40:16.716 [pimatic] error:> at Function.ICAL.parse.parser._eachLine (/home/pi/pimatic-app/node_modules/pimatic-calendar2/node_modules/ical-expander/node_modules/ical.js/build/ical.js:2099:26)
17:40:16.716 [pimatic] error:> at Object.parser [as parse] (/home/pi/pimatic-app/node_modules/pimatic-calendar2/node_modules/ical-expander/node_modules/ical.js/build/ical.js:1670:12)
17:40:16.716 [pimatic] error:> at new IcalExpander (/home/pi/pimatic-app/node_modules/pimatic-calendar2/node_modules/ical-expander/index.js:15:26)
17:40:16.716 [pimatic] error:> at /home/pi/pimatic-app/node_modules/pimatic-calendar2/calendar2.coffee:74:24
17:40:16.716 [pimatic] error:> at arrayEach (/home/pi/pimatic-app/node_modules/pimatic/node_modules/lodash/lodash.js:516:11)
17:40:16.716 [pimatic] error:> at Function.forEach (/home/pi/pimatic-app/node_modules/pimatic/node_modules/lodash/lodash.js:9342:14)
17:40:16.716 [pimatic] error:> at CalendarPlugin.scheduleTimeouts (/home/pi/pimatic-app/node_modules/pimatic-calendar2/calendar2.coffee:70:9)
17:40:16.716 [pimatic] error:> at recreateTimeouts (/home/pi/pimatic-app/node_modules/pimatic-calendar2/calendar2.coffee:41:12)
17:40:16.716 [pimatic] error:> at Timeout._onTimeout (/home/pi/pimatic-app/node_modules/pimatic-calendar2/calendar2.coffee:47:11)
17:40:16.716 [pimatic] error:> at ontimeout (timers.js:436:11)
17:40:16.716 [pimatic] error:> at tryOnTimeout (timers.js:300:5)
17:40:16.716 [pimatic] error:> at listOnTimeout (timers.js:263:5)
17:40:16.716 [pimatic] error:> at Timer.processTimers (timers.js:223:10)
17:40:16.716 [pimatic] error:> This is most probably a bug in pimatic or in a module, please report it!
17:40:16.719 [pimatic] warn: Keeping pimatic alive, but could be in an undefined state, please restart pimatic as soon as possible!