I opened the file with the wrong linetypes, selected all and pasted the contents into a new empty file. This brough the dashes back. @colin , could a developer look at the files @IA6598 Ilkka posted to have a hunch about what might cause the linetypes to lose their dashes?
RAK 1010new.skp (268.7 KB)
Terveiset Porvoosta!