VichBundle not compatible with symonfy 3.3
CREATE USER 'vich'@'%' IDENTIFIED BY 'vich'; CREATE DATABASE vich; GRANT ALL PRIVILEGES ON vich.* TO 'vich'@'%' ; FLUSH PRIVILEGES;
Uncomment the following lines in InvoiceAttachmentType to make it work
// ->add('originalName', HiddenType::class, [ // 'required' => false // ])
Go to http://server/vich/