Foutmelding

• Warning: date_timezone_set() expects parameter 1 to be DateTime, boolean given in format_date() (regel 2072 van /data/sites/web/ajd-beidevlaanderenbe/www/includes/common.inc).
• Warning: date_format() expects parameter 1 to be DateTimeInterface, boolean given in format_date() (regel 2082 van /data/sites/web/ajd-beidevlaanderenbe/www/includes/common.inc).