Cannot Connect to "fakecam" with Nextcloud Talk (works with Zoom)

Nextcloud version (eg, 20.0.5): 21.0.2
Operating system and version (eg, Ubuntu 20.04): Ubuntu 20.04
Apache or nginx version (eg, Apache 2.4.25): Apache/2.4.41
PHP version (eg, 7.4): 7.4.3

When setting up a talk conversation I am not able to connect to my fakecam.

Here is a screenshot of the error message: https://dysonhub.tk/s/jHnfqkmmwrNjWa9

Is this the first time you’ve seen this error? (Y/N): Y

Steps to replicate it:

  1. connect camera to fakecam (https://snapcraft.io/install/fakecam/ubuntu)
  2. access the settings Talk app in Nextcloud
  3. select fakecam in the camera field of Talk Settings

The output of your Nextcloud log in Admin > Logging:

There are no errors related to Talk in the Admin > Logging

The output of your config.php file in /path/to/nextcloud (make sure you remove any identifiable information!):

<?php
$CONFIG = array (
  'instanceid' => '',
  'passwordsalt' => '',
  'secret' => '',
  'trusted_domains' => 
  array (
    0 => '',
    1 => '',
  ),
  'datadirectory' => '/var/www/nextcloud-data',
  'dbtype' => 'mysql',
  'version' => '21.0.2.1',
  'overwrite.cli.url' => '',
  'dbname' => 'nextcloud',
  'dbhost' => 'localhost',
  'dbport' => '',
  'dbtableprefix' => 'oc_',
  'mysql.utf8mb4' => true,
  'dbuser' => '',
  'dbpassword' => '',
  'installed' => true,
  'mail_smtpmode' => 'smtp',
  'mail_smtphost' => '',
  'mail_sendmailmode' => 'smtp',
  'mail_from_address' => '',
  'mail_domain' => '',
  'mail_smtpauthtype' => 'LOGIN',
  'mail_smtpsecure' => 'ssl',
  'mail_smtpauth' => 1,
  'mail_smtpport' => '465',
  'mail_smtpname' => '',
  'mail_smtppassword' => '',
  'htaccess.RewriteBase' => '/',
  'default_phone_region' => 'CA',
  'memcache.distributed' => '\OC\Memcache\Redis',
  'memcache.local' => '\OC\Memcache\Redis',
  'memcache.locking' => '\OC\Memcache\Redis',
  'redis' => [
     'host' => '/var/run/redis/redis-server.sock',
     'port' => 0,
  ],
  'maintenance' => false,
  'theme' => '',
  'loglevel' => 2,
  'trusted_proxies' => 
  array (
    0 => '127.0.0.1',
    1 => '::1',
    2 => '',
  ),
);

The output of your Apache/nginx/system log in /var/log/____:

[Tue Jun 15 13:16:04.558521 2021] [access_compat:error] [pid 23407] [client 24.202.235.154:45266] AH01797: client denied by server configuration: /var/www/nextcloud/config
[Tue Jun 15 13:16:04.558521 2021] [access_compat:error] [pid 23407] [client 24.202.235.154:47516] AH01797: client denied by server configuration: /var/www/nextcloud/config
[Tue Jun 15 13:16:04.558521 2021] [access_compat:error] [pid 23407] [client 24.202.235.154:55696] AH01797: client denied by server configuration: /var/www/nextcloud/config

Jun 15 00:00:03 cnsp-nextcloud systemd[1]: logrotate.service: Succeeded.
Jun 15 00:00:03 cnsp-nextcloud systemd[1]: Finished Rotate log files.
Jun 15 00:00:05 cnsp-nextcloud systemd[1]: man-db.service: Succeeded.
Jun 15 00:00:05 cnsp-nextcloud systemd[1]: Finished Daily man-db regeneration.
Jun 15 00:05:01 cnsp-nextcloud CRON[23427]: (www-data) CMD (php7.4 -f /var/www/nextcloud/cron.php)
Jun 15 00:09:01 cnsp-nextcloud CRON[23432]: (root) CMD (  [ -x /usr/lib/php/sessionclean ] && if [ ! -d /run/system>
Jun 15 00:09:03 cnsp-nextcloud systemd[1]: Starting Clean php session files...
Jun 15 00:09:03 cnsp-nextcloud systemd[1]: phpsessionclean.service: Succeeded.
Jun 15 00:09:03 cnsp-nextcloud systemd[1]: Finished Clean php session files.
Jun 15 00:10:01 cnsp-nextcloud CRON[23511]: (www-data) CMD (php7.4 -f /var/www/nextcloud/cron.php)
Jun 15 00:15:01 cnsp-nextcloud CRON[23519]: (www-data) CMD (php7.4 -f /var/www/nextcloud/cron.php)
Jun 15 00:17:01 cnsp-nextcloud CRON[23525]: (root) CMD (   cd / && run-parts --report /etc/cron.hourly)
Jun 15 00:20:01 cnsp-nextcloud CRON[23529]: (www-data) CMD (php7.4 -f /var/www/nextcloud/cron.php)
Jun 15 00:25:01 cnsp-nextcloud CRON[23535]: (www-data) CMD (php7.4 -f /var/www/nextcloud/cron.php)
Jun 15 00:30:01 cnsp-nextcloud CRON[23540]: (www-data) CMD (php7.4 -f /var/www/nextcloud/cron.php)
Jun 15 00:35:01 cnsp-nextcloud CRON[23547]: (www-data) CMD (php7.4 -f /var/www/nextcloud/cron.php)
Jun 15 00:39:01 cnsp-nextcloud CRON[23553]: (root) CMD (  [ -x /usr/lib/php/sessionclean ] && if [ ! -d /run/system>
Jun 15 00:39:03 cnsp-nextcloud systemd[1]: Starting Clean php session files...
Jun 15 00:39:04 cnsp-nextcloud systemd[1]: phpsessionclean.service: Succeeded.
Jun 15 00:39:04 cnsp-nextcloud systemd[1]: Finished Clean php session files.
Jun 15 00:40:01 cnsp-nextcloud CRON[23632]: (www-data) CMD (php7.4 -f /var/www/nextcloud/cron.php)
Jun 15 00:45:01 cnsp-nextcloud CRON[23636]: (www-data) CMD (php7.4 -f /var/www/nextcloud/cron.php)
Jun 15 00:45:03 cnsp-nextcloud loolwsd[1819]: wsd-01819-01850 2021-06-15 00:45:03.941998 [ websrv_poll ] WRN  conve>
Jun 15 00:50:01 cnsp-nextcloud CRON[23642]: (www-data) CMD (php7.4 -f /var/www/nextcloud/cron.php)
Jun 15 00:55:01 cnsp-nextcloud CRON[23649]: (www-data) CMD (php7.4 -f /var/www/nextcloud/cron.php)
Jun 15 01:00:01 cnsp-nextcloud CRON[23655]: (www-data) CMD (php7.4 -f /var/www/nextcloud/cron.php)
Jun 15 01:05:01 cnsp-nextcloud CRON[23661]: (www-data) CMD (php7.4 -f /var/www/nextcloud/cron.php)
Jun 15 01:09:01 cnsp-nextcloud CRON[23665]: (root) CMD (  [ -x /usr/lib/php/sessionclean ] && if [ ! -d /run/system>
Jun 15 01:09:04 cnsp-nextcloud systemd[1]: Starting Clean php session files...
Jun 15 01:09:04 cnsp-nextcloud systemd[1]: phpsessionclean.service: Succeeded.
Jun 15 01:09:04 cnsp-nextcloud systemd[1]: Finished Clean php session files.
Jun 15 01:10:01 cnsp-nextcloud CRON[23746]: (www-data) CMD (php7.4 -f /var/www/nextcloud/cron.php)

[Tue Jun 15 00:00:02.023195 2021] [ssl:warn] [pid 6232] AH01909: localhost:443:0 server certificate does NOT include an ID which matches the server name
[Tue Jun 15 00:00:02.023875 2021] [mpm_prefork:notice] [pid 6232] AH00163: Apache/2.4.41 (Ubuntu) OpenSSL/1.1.1f configured -- resuming normal operations
[Tue Jun 15 00:00:02.023884 2021] [core:notice] [pid 6232] AH00094: Command line: '/usr/sbin/apache2'