I tried to create a graphml file using python and igraph library. I can construct igraph's graph object and wrote it to a file using: g.write_graphml("mygraph.graphml") Everything seems to be successful but when I tried to read the file back to python using: g = Graph.Read_GraphML('mygraph.graphml') I got this error: igraph.core.InternalError: Error at .\src\foreign-graphml.c:1024: Input is not proper UTF-8, indicate encoding ! Bytes: 0xA0 0x3C 0x2F 0x64 How can I solve this, please? Thank you very much. Continue reading...