Upgrade to R80.10 fails and $MDS_FWDIR/log/upgrade_from_fwm_on_domain_UUID.elg shows:
{http://www.checkpoint.com/DleWebService/ThreatPolicyRemoteSvc}getReplacedUid has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Unmarshalling Error: Maximum Number of Child Elements limit (50000) Exceeded