local g = require('luagraphs.data.graph').create(8); -- undirected weighted graph g:addEdge(5, 4, 72) g:addEdge(9, 8, 73) g:addEdge(11, 12, 66) g:addEdge(22, 11, 48) g:addEdge(20, 19, 34) g:addEdge(6, 5, 56) g:addEdge(4, 3, 76) g:addEdge(21, 6, 18) g:addEdge(13, 17, 47) g:addEdge(21, 20, 37) g:addEdge(9, 10, 61) g:addEdge(21, 22, 102) g:addEdge(10, 11, 65) g:addEdge(2, 3, 85) g:addEdge(7, 6, 82) g:addEdge(15, 16, 43) g:addEdge(2, 1, 74) g:addEdge(14, 1, 48) g:addEdge(18, 17, 71) g:addEdge(15, 14, 47) g:addEdge(7, 8, 71) g:addEdge(19, 4, 121) g:addEdge(19, 16, 61) g:addEdge(19, 18, 64) g:addEdge(12, 13, 24) local source = 6 local dijkstra = require('luagraphs.shortest_paths.Dijkstra').create() dijkstra:run(g, source) -- source is the id of the source node in the path search local path = dijkstra:getPathTo(10) 

Dijkstra:88: attempt to index local 'e' (a number value)