Exception when calling social:reset or social:check:install

[sledz]

Describe the bug When calling a social:reset or a social:check:install the same unhandled exception is thrown.

TypeError: Return value of "OCA\Social\Command\CheckInstall::execute()" must be of the type int, "null" returned. in /srv/www/htdocs/nextcloud/apps/emlviewer/vendor/symfony/console/Command/Command.php:261
Stack trace:
#0 /srv/www/htdocs/nextcloud/core/Command/Base.php(168): Symfony\Component\Console\Command\Command->run()
#1 /srv/www/htdocs/nextcloud/apps/emlviewer/vendor/symfony/console/Application.php(911): OC\Core\Command\Base->run()
#2 /srv/www/htdocs/nextcloud/apps/emlviewer/vendor/symfony/console/Application.php(264): Symfony\Component\Console\Application->doRunCommand()
#3 /srv/www/htdocs/nextcloud/apps/emlviewer/vendor/symfony/console/Application.php(140): Symfony\Component\Console\Application->doRun()
#4 /srv/www/htdocs/nextcloud/lib/private/Console/Application.php(211): Symfony\Component\Console\Application->run()
#5 /srv/www/htdocs/nextcloud/console.php(99): OC\Console\Application->run()
#6 /srv/www/htdocs/nextcloud/occ(11): require_once('/srv/www/htdocs...')

TypeError: Return value of "OCA\Social\Command\Reset::execute()" must be of the type int, "null" returned. in /srv/www/htdocs/nextcloud/apps/emlviewer/vendor/symfony/console/Command/Command.php:261
Stack trace:
#0 /srv/www/htdocs/nextcloud/core/Command/Base.php(168): Symfony\Component\Console\Command\Command->run()
#1 /srv/www/htdocs/nextcloud/apps/emlviewer/vendor/symfony/console/Application.php(911): OC\Core\Command\Base->run()
#2 /srv/www/htdocs/nextcloud/apps/emlviewer/vendor/symfony/console/Application.php(264): Symfony\Component\Console\Application->doRunCommand()
#3 /srv/www/htdocs/nextcloud/apps/emlviewer/vendor/symfony/console/Application.php(140): Symfony\Component\Console\Application->doRun()
#4 /srv/www/htdocs/nextcloud/lib/private/Console/Application.php(211): Symfony\Component\Console\Application->run()
#5 /srv/www/htdocs/nextcloud/console.php(99): OC\Console\Application->run()
#6 /srv/www/htdocs/nextcloud/occ(11): require_once('/srv/www/htdocs...')

None of the hints from #1129 and #1161 led to a solution of the problem. 🙁

To Reproduce Steps to reproduce the behavior:

1. Call occ social:check:install or occ social:reset

Expected behavior No exception.

Client details: No client involved.

Server details

Social app version: 0.4.2

Operating system: openSUSE Leap 15.3

Web server: Name : apache2 Version : 2.4.43 Release : 3.32.1 Architecture: x86_64

Database: Name : mariadb Version : 10.5.12 Release : 3.9.1 Architecture: x86_64

PHP version: Name : php7 Version : 7.4.26 Release : 342.1 Architecture: x86_64

Nextcloud version: (see Nextcloud admin page) Name : nextcloud Version : 23.0.4 Release : lp153.158.1 Architecture: noarch