Install libakonadiprotocolinternals1 by entering the following commands in the terminal:
sudo apt update sudo apt install libakonadiprotocolinternals1
Description:
libraries for the Akonadi PIM storage service
Akonadi is an extensible cross-desktop Personal Information Management (PIM) storage service. It provides a common framework for applications to store and access mail, calendars, addressbooks, and other PIM data. . This package contains libraries used by the Akonadi PIM storage service.
Homepage: http://pim.kde.org/akonadi
Version: 1.13.0-11
Section: universe/libs