Install espeak-ng-data by entering the following commands in the terminal:
sudo apt update sudo apt install espeak-ng-data
Description:
Multi-lingual software speech synthesizer: speech data files
eSpeak NG is a software speech synthesizer for English, and some other languages. . This package contains necessary synthesizer data files needed for the espeak-ng program and the shared library.
Homepage: https://github.com/espeak-ng/espeak-ng
Version: 1.49.2+dfsg-1
Section: sound