Fatal error: Uncaught Error: Call to undefined function Automattic\Jetpack\Image_CDN\Compatibility\add_action() in /nfs/bronfs/uwfs/hw00/d88/ecc/wordpress/wp-content/plugins/jetpack/jetpack_vendor/automattic/jetpack-image-cdn/src/compatibility/photon.php:53 Stack trace: #0 {main} thrown in /nfs/bronfs/uwfs/hw00/d88/ecc/wordpress/wp-content/plugins/jetpack/jetpack_vendor/automattic/jetpack-image-cdn/src/compatibility/photon.php on line 53