Date field does not show the date
Problem: The date field shows a "Date (fixed)" label instead of the date.
Solution: Under View menu make sure that the Field name is not checked (Shortcut: Ctrl-F9).
Date field shows the date in Hebrew (or a different language)
Solution: Right-Click on the field. Choose Fields:Format:Additional formats. Select the desired language.
Installation of Mendeley citation toolbar in LibreOffice in Linux Mint
Solution: I had problems in automatic installation of the Mendeley citation toolbar.
Mendeley toolbar is added to LO as an extension.