I'm trying to convert a LandXML file to TIN, but the tool does not seem to be detecting any TINs in the .xml file to import. It runs in seconds, says it succeeded, but of course there is no output since no TINs were detected. No messages either.
Here's the tool:

Here's the top of the .xml file (just to show it's not empty and appears to include at least one surface):

@Robert_LeClair Any ideas? I don't know enough about LandXML files to know what might be wrong with this one.