Converting +27-018.txt from text to DSF as +27-018.dsfScanning for dimension properties...Got dimension properties, establishing file writer...Got entire file, processing and creating DSF.Vertices: total = 1001256, strip = 924234, fan = 0.Primitives: total = 136118, strip = 135274, fan = 0. -17.973335,27.812078,-32768.000000,-0.000015,-0.000015 c031f92c792b7637,403bcfe44fe50973,c0e0000000000000,bef0000e7eda0be1,bef0000e7eda0be1ERROR: !"ERROR: could not sink vertex:\n"(src/DSF/DSFLibWrite.cpp, 611.)