That would most likely be KCreator's KittopiaTech mod printing those, see line #26 here: https://github.com/KCreator/Kittopiatech_Planeteditor/blob/master/Source/PerSave_Loader.cs#L26 See also KCreator's post regarding 64-bit compatibility: http://forum.kerbalspaceprogram.com/threads/68619-0-24_2-Plugin-WIP-KittopiaTech-Ingame-Terraforming-Tools-V0-1741?p=1309609&viewfull=1#post1309609