I installed a new map with sc4terraformer but some maps of the region (in this case with mountains) remain unformed
I highlighted in red the aps that remain unformed
(https://www.sc4devotion.com/forums/proxy.php?request=http%3A%2F%2Fi50.tinypic.com%2F28s0biq.jpg&hash=8f05a622a391238df2f39c001dc906b70b4c12b6)
Try going into the cities to see if it corrects itself.
nothing changes