Fatal error: Uncaught Error: Interface "Google\Cloud\Core\Batch\ClosureSerializerInterface" not found in /mnt/disk1/hosted/vcard.llorenteycuenca.com/vendor/google/cloud-core/src/Batch/OpisClosureSerializer.php:31 Stack trace: #0 {main} thrown in /mnt/disk1/hosted/vcard.llorenteycuenca.com/vendor/google/cloud-core/src/Batch/OpisClosureSerializer.php on line 31