Configuration file for British and American English is broken and breaks install

[Dianne Tennent]

MySQL8 on main

1. Admin > Development > Languages

2. Select "English (United Kingdom)" from the 'Add language' dropdown

3. Press 'Add language'

This error appears:
[WAR] 4c (lib/mahara.php:681) The configuration file is broken at /var/lib/maharadata/main/langpacks/en_GB.utf8/lang/en_GB.utf8/langconfig.php. Either fix it manually or delete the /var/lib/maharadata/main/langpacks/en_GB.utf8/ directory to remove this language completely.

4. Add "English (American)"
5. Click the link to the file "en_US-main.tar.gz"

Result = Error: 404 not found

6. At this point, attempt a fresh install of the site

Error: Unable to perform upgrade

7. Reload upgrade page

Result = Error: [WAR] 4c (lib/mahara.php:681) The configuration file is broken at /var/lib/maharadata/main/langpacks/en_GB.utf8/lang/en_GB.utf8/langconfig.php. Either fix it manually or delete the /var/lib/maharadata/main/langpacks/en_GB.utf8/ directory to remove this language completely.

8. Remove US and British English langpacks from dataroot

Success - site upgrades correctly