Lots of bugs here: default netclass not saved, layers read back in with missing '.' between keyword and layer name, layers not written to .pro file, solder paste margin limited to min of 0 (when most of them are negative).
Lots of bugs here: default netclass not saved, layers read back in with missing '.' between keyword and layer name, layers not written to .pro file, solder paste margin limited to min of 0 (when most of them are negative).