Hello, reinstalling the package works well. Best regards.
On 02/11/2017 19:47, Vlad Orlov wrote: > Hi, > > The panel-properties-dialog-gtk3.ui file is from 1.16. It was there when > mate-panel > supported both GTK+2 and GTK+3 builds. In 1.18 it's only GTK+3, and the file > is named > panel-properties-dialog.ui. > > Both mate-panel executable and the mentioned .ui file are in the same package > (mate-panel). > If the panel tries to open the non-existent -gtk3.ui file, that means that > somehow the > package got corrupted, and you have mate-panel executable from 1.16 but .ui > file from 1.18. > Or maybe some other corruption happened. I suggest reinstalling the package: > > sudo apt-get install --reinstall mate-panel > -- _luffah_