Thanks, hopefully now someone else can give a look at the code.
The problem comes from the code:
if (treeNode.getParent() != null) {
throw new IllegalArgumentException("treeNode already has a
parent.");
}
in TreeBranch.java. I can't understand why treeNode must have null parent to
be updated.
Duto wrote:
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>
> If I can help :)
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