@reachforthestars the default calendar has been generating errors lately cause the data changed to fix in the short term edit MagicMirror/node_modules/rrule/dist/es5/rrule.js insert the two lines shown below case 'BYEASTER': options.byeaster = Number(value); break; case '': // add this break; // add this default: also, the calendar file has duplicate entries so u will see 2 entries for all events