errors.netconvert

Error: Invalid position 'nan,-nan' for node 'E'
Error: Edge's 'CE' to-node 'E' is not known.
Error: Edge's 'CN' to-node 'N' is not known.
Error: Edge's 'CS' to-node 'S' is not known.
Error: Edge's 'CW' to-node 'W' is not known.
Error: Edge's 'EC' from-node 'E' is not known.
Error: Edge's 'NC' from-node 'N' is not known.
Error: Edge's 'SC' from-node 'S' is not known.
Error: Edge's 'WC' from-node 'W' is not known.
Error: No edges loaded.
Quitting (on error).