Vpp crashes while sending following request

lisp_add_del_adjacency
isAdd = 1
vni = 12
eidType = 0
reid = {-64,88,2,5}
leid = {-64,88,2,1}
reidLen = 32
leidLen = 32

All referenced data are present(remote,local eid,vni mapping)

When invoking this request, vpp crashes/restarts

In syslog ,nothing special is present