Index: /trunk/src/org/openstreetmap/josm/gui/download/OSMDownloadSource.java =================================================================== --- /trunk/src/org/openstreetmap/josm/gui/download/OSMDownloadSource.java (revision 16517) +++ /trunk/src/org/openstreetmap/josm/gui/download/OSMDownloadSource.java (revision 16518) @@ -278,14 +278,7 @@ */ if (DOWNLOAD_SOURCES.stream().noneMatch(IDownloadSourceType::isEnabled)) { - String sources = DOWNLOAD_SOURCES.stream() - .map(type -> type.getCheckBox().getText()) - .collect(Collectors.joining(", ")); - String message = "" - + tr("None of {0} is enabled!", sources) - + "
" - + tr("Please select at least one of {0}.", sources); JOptionPane.showMessageDialog( this.getParent(), - message, + tr("Please select at least one download source."), tr("Error"), JOptionPane.ERROR_MESSAGE