>A new entity was found through the relationship 'App\Entity\User#ownedMessages' that was not configured to cascade persist operations for entity: App\Entity\Message@000000004f693ccb0000000004ab162f. To solve this issue: Either explicitly call EntityManager#persist() on this unknown entity or configure cascade persist this association in the mapping for example @ManyToOne(..,cascade={"persist"}). If you cannot find out which entity causes the problem implement 'App\Entity\Message#__toString()' to get a clue.
kc-tier