Install gir1.2-camel-1.2 by entering the following commands in the terminal:
sudo apt update sudo apt install gir1.2-camel-1.2
Description:
GObject introspection for the Camel library
Camel is a generic messaging library. It supports the standard messaging system for receiving and sending messages. It is the messaging backend for Evolution. . Evolution is the integrated mail, calendar, task and address book distributed suite from Novell, Inc. . This package contains introspection data for the libcamel library. It can be used by packages using the GIRepository format to generate dynamic bindings.
Homepage: https://wiki.gnome.org/Apps/Evolution
Version: 3.28.1-1ubuntu1
Section: introspection