Adding Calendar event and get error

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i try crete calendar event and get error.

log:
Exception Occurred: /home/######/domains/######.###/public_html/concrete/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/AbstractMySQLDriver.php:71 An exception occurred while executing 'SELECT eo.occurrenceID FROM CalendarEventOccurrences eo INNER JOIN CalendarEvents e ON e.eventID = eo.eventID LEFT JOIN CalendarEventSearchIndexAttributes ea ON e.eventID = ea.eventID WHERE (e.caID = ?) AND (eo.startTime >= ?) AND (eo.startTime