Fatal error: Uncaught Error: Call to undefined function register_post_meta() in /customers/0/5/d/welcomegoodbye.de/httpd.www/wp-content/plugins/onecom-vcache/onecom-addons/inc/class-onecom-exclude-cache.php:115
Stack trace:
#0 /customers/0/5/d/welcomegoodbye.de/httpd.www/wp-includes/plugin.php(496): OnecomExcludeCache->oc_vcache_register_post_meta('')
#1 /customers/0/5/d/welcomegoodbye.de/httpd.www/wp-settings.php(353): do_action('init')
#2 /customers/0/5/d/welcomegoodbye.de/httpd.www/wp-config.php(91): require_once('/customers/0/5/...')
#3 /customers/0/5/d/welcomegoodbye.de/httpd.www/wp-load.php(37): require_once('/customers/0/5/...')
#4 /customers/0/5/d/welcomegoodbye.de/httpd.www/wp-blog-header.php(12): require_once('/customers/0/5/...')
#5 /customers/0/5/d/welcomegoodbye.de/httpd.www/index.php(17): require('/customers/0/5/...')
#6 {main}
  thrown in /customers/0/5/d/welcomegoodbye.de/httpd.www/wp-content/plugins/onecom-vcache/onecom-addons/inc/class-onecom-exclude-cache.php on line 115