Bug in message serialization in PCEP

Message to serialize:

PCEP Message enqueued: Pcupd [_pcupdMessage=PcupdMessage [_updates=[Updates [_lsp=Lsp [_plspId=PlspId [_value=9], _administrative=true, _delegate=true, augmentation=[]], _path=Path [_ero=Ero{getSubobject=[Subobject{getSubobjectType=SrEroType{getNai=IpNodeId{getIpAddress=IpAddress [_ipv4Address=Ipv4Address [_value=172.16.255.101], _value=[1, 7, 2, ., 1, 6, ., 2, 5, 5, ., 1, 0, 1]], augmentations={}}, getSid=16141, getSidType=Ipv4NodeId, isMFlag=true, augmentations={}}, isLoose=false, augmentations={}}, Subobject{getSubobjectType=SrEroType{getNai=IpNodeId{getIpAddress=IpAddress [_ipv4Address=Ipv4Address [_value=172.16.255.102], _value=[1, 7, 2, ., 1, 6, ., 2, 5, 5, ., 1, 0, 2]], augmentations={}}, getSid=16142, getSidType=Ipv4NodeId, isMFlag=true, augmentations={}}, isLoose=false, augmentations={}}], augmentations={}}, augmentation=[]], _srp=Srp [_operationId=SrpIdNumber [_value=2], _processingRule=true, augmentation=[]], augmentation=[]]], _version=ProtocolVersion [_value=1], augmentation=[]], augmentation=[]]

Encoded : [32, 11, 0, 28, 33, 18, 0, 12, 0, 0, 0, 0, 0, 0, 0, 2, 32, 16, 0, 8, 0, 0, -112, 9, 7, 16, 0, 4]

ERO doesn't contain two subobjects.