did the knight rescue quest /killed the bandits  and when i checked my loot
there was this 
-1.70638e-013 gildar ability bonus
 
i had these npc'c in my party
ihasoviac farmer
muvueratha champion +2 research
lady irane sovereign
 
latter in that game i was unable to place a harbor next to a beach tile.
 
but a city that was no were near the water  i was able to ..
 
image included of the city i was unable to place harbor at
and save game file
http://www.omnidigital.net/r17/index.php/elemental/elemental-bugs