Analyse following RPM build log snippet. Describe contents accurately, without speculation or suggestions for resolution.            
Your analysis must be as concise as possible, while keeping relevant information intact.
Snippet: 
RPM build errors:
error: Installed (but unpackaged) file(s) found:
   /usr/share/icons/hicolor/16x16/apps/org.kde.merkuro.calendar.png
   /usr/share/icons/hicolor/16x16/apps/org.kde.merkuro.mail.png
   /usr/share/icons/hicolor/24x24/apps/org.kde.merkuro.calendar.png
   /usr/share/icons/hicolor/24x24/apps/org.kde.merkuro.mail.png
   /usr/share/icons/hicolor/32x32/apps/org.kde.merkuro.calendar.png
   /usr/share/icons/hicolor/32x32/apps/org.kde.merkuro.mail.png
    Installed (but unpackaged) file(s) found:
   /usr/share/icons/hicolor/16x16/apps/org.kde.merkuro.calendar.png
   /usr/share/icons/hicolor/16x16/apps/org.kde.merkuro.mail.png
   /usr/share/icons/hicolor/24x24/apps/org.kde.merkuro.calendar.png
   /usr/share/icons/hicolor/24x24/apps/org.kde.merkuro.mail.png
   /usr/share/icons/hicolor/32x32/apps/org.kde.merkuro.calendar.png
   /usr/share/icons/hicolor/32x32/apps/org.kde.merkuro.mail.png
Multiple unpackaged files were found.
