Fatal error: Uncaught Error: Call to undefined function json_encode() in /var/www/vhosts/medischadviesbureauleiden.nl/domains/medischadviesbureauleiden.nl/public_html/modules/core/service/ClassManifestBuilder.php:154 Stack trace: #0 /var/www/vhosts/medischadviesbureauleiden.nl/domains/medischadviesbureauleiden.nl/public_html/modules/core/service/ClassManifestBuilder.php(56): ClassManifestBuilder::write() #1 /var/www/vhosts/medischadviesbureauleiden.nl/domains/medischadviesbureauleiden.nl/public_html/modules/core/service/ClassManifestBuilder.php(40): ClassManifestBuilder::classManifest() #2 /var/www/vhosts/medischadviesbureauleiden.nl/domains/medischadviesbureauleiden.nl/public_html/modules/core/service/Autoloader.class.php(56): ClassManifestBuilder::build() #3 /var/www/vhosts/medischadviesbureauleiden.nl/domains/medischadviesbureauleiden.nl/public_html/modules/core/service/Autoloader.class.php(28): Autoloader::loadManifest() #4 [internal function]: Autoloader::load() #5 /var/www/vhosts/medischadviesbureauleiden.nl/domains in /var/www/vhosts/medischadviesbureauleiden.nl/domains/medischadviesbureauleiden.nl/public_html/modules/core/service/ClassManifestBuilder.php on line 154