Fatal error: Uncaught Error: Undefined constant "MB_OVERLOAD_STRING" in /is/htdocs/wp1063414_EHXHI7DW00/www/planer/class/ical/iCalcreator.class.php:5693
Stack trace:
#0 /is/htdocs/wp1063414_EHXHI7DW00/www/planer/class/ical/iCalcreator.class.php(4166): calendarComponent->_size75(NULL)
#1 /is/htdocs/wp1063414_EHXHI7DW00/www/planer/class/ical/iCalcreator.class.php(329): calendarComponent->_createElement('X-WR-CALNAME', '', 'Hafenklang - Te...')
#2 /is/htdocs/wp1063414_EHXHI7DW00/www/planer/class/ical/iCalcreator.class.php(1553): vcalendar->createXprop()
#3 /is/htdocs/wp1063414_EHXHI7DW00/www/planer/class/ical/iCalcreator.class.php(1615): vcalendar->createCalendar()
#4 /is/htdocs/wp1063414_EHXHI7DW00/www/pr/ics.php(127): vcalendar->returnCalendar()
#5 {main}
thrown in /is/htdocs/wp1063414_EHXHI7DW00/www/planer/class/ical/iCalcreator.class.php on line 5693