Changes

for obj_id, obj in pairs(process['objects']) do

for obj_id, obj in pairs(process['objects']) do

--if p.IsGlobalObject(obj) then

if p.IsGlobalObject(obj) then

nodes = nodes .. '"' .. obj_id .. '" [label="' .. obj['local_id'] .. '" href="/wiki/' .. obj_id .. '"];'  

nodes = nodes .. '"' .. obj_id .. '" [label="' .. obj['local_id'] .. '" href="/wiki/' .. obj_id .. '"];'  

--end

end

local successors = nil

local successors = nil

successors = p.concatTables(obj['successor_object'], obj['successor_object_semistatic'])

successors = p.concatTables(obj['successor_object'], obj['successor_object_semistatic'])