This may be helpful:
Error Message %CRYPTO-6-UNAVAILABLE: IKE SA manually deleted. Do 'clear crypto sa
peer %s' to manually clear IPSec SA's covered by this IKE SA.
Explanation The IKE SA was deleted by user command. However, keepalives this connection are enabled, and IPSec SA's covered by this IKE SA still exist. Since this IKE SA is now deleted, these IPSec SA's have no IKE SA covering them. The recommended action is to manually delete this IPSec SA's.