Email reminders have not been implemented in the CalDAV Server yet

Nextcloud version 16.0.1:
Operating system and version Centos 7:
Apache or nginx version Apache 2.4.6:
PHP version PHP 7.2.12 (cli):

The issue you are facing:
Email remiders have not been implemented in the CalDAV Server yet, so none will be sent

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

Steps to replicate it:

  1. Login then go to calendar
  2. Create new calendar Input Title, Starts and End
  3. Go to reminders set type of notification “Email” error message will displayed

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

<?php
$CONFIG = array (
  'instanceid' => 'xxxxxx',
  'passwordsalt' => 'xxxxxx',
  'secret' => 'xxxxxx',
  'trusted_domains' =>
  array (
    0 => 'xxxxxx.xxxxxx.com',
  ),
  'datadirectory' => '/var/www/html/nextcloud/data',
  'dbtype' => 'mysql',
  'version' => '16.0.1.1',
  'overwrite.cli.url' => 'http://xxxxxx.xxxxxx.com',
  'dbname' => 'database_xxxxx',
  'dbhost' => 'localhost',
  'dbport' => '',
  'dbtableprefix' => 'oc_',
  'mysql.utf8mb4' => true,
  'dbuser' => 'oc_adminroot1',
  'dbpassword' => 'xxxxxx',
  'installed' => true,
  'mail_from_address' => 'linuxadmin',
  'mail_smtpmode' => 'smtp',
  'mail_domain' => 'xxxxxx',
  'mail_smtpauth' => 1,
  'mail_smtpauthtype' => 'LOGIN',
  'mail_smtphost' => 'xxxxxx',
  'mail_smtpport' => '25',
  'mail_smtpname' => 'linuxadmin',
  'mail_smtppassword' => 'xxxxxx',
  'maintenance' => false,
  'logtimezone' => 'Asia/Manila',
  'theme' => '',
  'loglevel' => 2,
  'enable_previews' => true,
  'preview_max_filesize_image' => 100,
  'filelocking.enabled' => true,
  'memcache.local' => '\\OC\\Memcache\\APCu',
  'memcache.locking' => '\\OC\\Memcache\\Redis',
  'redis' =>
  array (
    'host' => '/var/run/redis/redis.sock',
    'port' => 0,
    'timeout' => 0.0,
  ),
  'updater.release.channel' => 'stable',
);


Thanks

I’m in the same boat but running Nextcloud 17.0.2. Is there a fix?