Relation missing in UncheckedCreateInput

model Configuration {
  appId   String   @unique
  predecessedById   String?   @unique
  predecessedBy  Configuration?   @relation("PredecessedBy", fields: [predecessedById], references: [appId])
  successedBy   Configuration?   @relation("PredecessedBy")
}

db.configuration.create({
  data: {
    appId: '...',
    predecessedBy: {
      connect: {
        appId: '...'
      }
    }
  }
});