Help error decrypting OX IM Message

Smack Smack Support
,
8

Here is how I send ti

al domainAndAt = "@" + Constants.JABBER_DOMAIN
val to = JidCreate.entityBareFrom(toString + domainAndAt)

val builder = MessageBuilder.buildMessage(msgId).to(to)

val oxManager = OXInstantMessagingManager.getInstanceFor(connection)
val messageBody = Message.Body(null, Messagetext)
oxManager.addOxMessage(
    builder,
    OpenPgpManager.getInstanceFor(conn).getOpenPgpContact(to),
    listOf<ExtensionElement>(messageBody)
)

val message = builder.build()
DeliveryReceiptRequest.addTo(message)
ChatManager.getInstanceFor(conn)?.chatWith(to)?.send(message)