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Update: I've tried with a dummy model with more GNN layers and everything works. Thus, it is an issue related to unreached nodes during the message-passing phase. How can I solve that? |
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Hello,
I'm trying to run
Captum Explainer
for a node classification task. However, I'm facing some issues.First, unused parameters have been detected (maybe some nodes have not been reached for a limited number of hops during the message passing), but I've forced the parameter in the code.
However, I've still
None
gradients, so I couldn't find a feasible solution.To get some insights in the code, I'm posting the model:
The explainer setting:
and the error
Thanks a lot for the help!!
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