Bug report #13007
Labels for lines: at least one Position Placement should be there
|Affected QGIS version:||2.8.2||Regression?:||No|
|Operating System:||Easy fix?:||No|
|Pull Request or Patch supplied:||No||Resolution:|
|Crashes QGIS or corrupts data:||No||Copied to github as #:||21083|
Currently it is possible to unselect all three options under Vector > Properties > Labelling > Placement > Position, with the result of aving the labels disappearing.
At least one value should be always there, perhaps as a radio button (do we really need to select more than one position?)