only time it mentions town portal is here where the log looks like this:
[10:35:27.812 N] Sold item [Buckler]
[10:35:28.021 D] High DR% String of Ears item rule has no stats. Attempting name match.
[10:35:28.021 D] Talisman of Awesome Lowbieness item rule has no stats. Attempting name match.
[10:35:28.025 D] Navigator.Clear
[10:35:28.025 D] Generating path to Town Portal (Possible) - <2985.752, 2797.352, 24.04532>
[10:35:28.051 D] Successfully generated path from {X=296,Y=605} to {X=303,Y=642} in 00:00:00.0010574 with 38(7) hops
[10:35:28.051 D] Client path generated.
[10:35:28.051 D] Generated path to <2985.752, 2797.352, 24.04532> (Town Portal (Possible)) with 7 hops.
[10:35:30.329 D] Generating path to Town Portal (Definite) - <2985.959, 2795.399, 23.94531>
[10:35:30.331 D] Successfully generated path from {X=302,Y=623} to {X=302,Y=642} in 00:00:00.0000982 with 20(2) hops
[10:35:30.331 D] Client path generated.
[10:35:30.331 D] Generated path to <2985.959, 2795.399, 23.94531> (Town Portal (Definite)) with 2 hops.
[10:35:40.391 D] Done vendoring.
This was a lvl 6 or 7 character (with no TP available).