Question: External Library libgraphtheory.so could not be found/used

Hi!

I've got this annoying problem and it's quite simple reproducible.

> with(GraphTheory): G := Graph({{a, b}, {b, c}, {c, d}}); Edges(G);

Edges(G) returns me

Error, (in EdgesExt) external library libgraphtheory.so could not be found/used

 

It's the first time I encounter such a problem and have no idea on how to solve it, any advice?

I can see that libgraphtheory.so is in /home/davide/Dati/DavideHome/Math/Maple13/bin.IBM_INTEL_LINUX/libgraphtheory.so but how's that it is not found?

 

 

Many thanks in advance :)

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