This issue persists on our account. Somehow only one app is affected. Any solution yet?

Same here, I have created a support case since yesterday, no response yet. Having the following error: "errors" : [ { "id" : "5ec34b1a-5784-46f4-ba03-f6f4a8f445cb", "status" : "409", "code" : "ENTITY_ERROR.RELATIONSHIP.INVALID", "title" : "The provided entity includes a relationship with an invalid value", "detail" : "You cannot create a new version of the App in the current state.", "source" : { "pointer" : "/data/relationships/app" } } ] }