Fatal error: Uncaught Error: Call to undefined function each() in /var/www/vhosts/acid-antwerp.heibel.nl/httpdocs/core/components/siblingnav/model/siblingnav/siblingnav.class.php:423 Stack trace: #0 /var/www/vhosts/acid-antwerp.heibel.nl/httpdocs/core/components/siblingnav/model/siblingnav/siblingnav.class.php(352): SiblingNav->sort() #1 /var/www/vhosts/acid-antwerp.heibel.nl/httpdocs/core/components/siblingnav/model/siblingnav/siblingnav.class.php(107): SiblingNav->getSiblings() #2 /var/www/vhosts/acid-antwerp.heibel.nl/httpdocs/core/cache/includes/elements/modsnippet/54.include.cache.php(45): SiblingNav->run() #3 /var/www/vhosts/acid-antwerp.heibel.nl/httpdocs/core/model/modx/modscript.class.php(76): include('...') #4 /var/www/vhosts/acid-antwerp.heibel.nl/httpdocs/core/model/modx/modparser.class.php(537): modScript->process() #5 /var/www/vhosts/acid-antwerp.heibel.nl/httpdocs/core/components/pdotools/model/pdotools/pdoparser.class.php(273): modParser->processTag() #6 /var/www/vhosts/acid-antwerp.heibel.nl/httpdocs/core/model/modx/modparser.class.php(251): pdoParser->processTag() #7 /var/www/vhosts/acid-antwerp.heibel.nl/httpdocs/core/components/pdotools/model/pdotools/pdoparser.class.php(64): modParser->processElementTags() #8 /var/www/vhosts/acid-antwerp.heibel.nl/httpdocs/core/model/modx/modresource.class.php(546): pdoParser->processElementTags() #9 /var/www/vhosts/acid-antwerp.heibel.nl/httpdocs/core/model/modx/modresource.class.php(498): modResource->parseContent() #10 /var/www/vhosts/acid-antwerp.heibel.nl/httpdocs/core/model/modx/modresponse.class.php(62): modResource->prepare() #11 /var/www/vhosts/acid-antwerp.heibel.nl/httpdocs/core/model/modx/modrequest.class.php(138): modResponse->outputContent() #12 /var/www/vhosts/acid-antwerp.heibel.nl/httpdocs/core/model/modx/modrequest.class.php(122): modRequest->prepareResponse() #13 /var/www/vhosts/acid-antwerp.heibel.nl/httpdocs/core/model/modx/modx.class.php(1461): modRequest->handleRequest() #14 /var/www/vhosts/acid-antwerp.heibel.nl/httpdocs/index.php(55): modX->handleRequest() #15 {main} thrown in /var/www/vhosts/acid-antwerp.heibel.nl/httpdocs/core/components/siblingnav/model/siblingnav/siblingnav.class.php on line 423