Support intro
Sorry to hear you’re facing problems. 
The community help forum (help.nextcloud.com) is for home and non-enterprise users. Support is provided by other community members on a best effort / “as available” basis. All of those responding are volunteering their time to help you.
If you’re using Nextcloud in a business/critical setting, paid and SLA-based support services can be accessed via portal.nextcloud.com where Nextcloud engineers can help ensure your business keeps running smoothly.
Getting help
In order to help you as efficiently (and quickly!) as possible, please fill in as much of the below requested information as you can.
Before clicking submit: Please check if your query is already addressed via the following resources:
- Official documentation (searchable and regularly updated)
- How to topics and FAQs
- Forum search
(Utilizing these existing resources is typically faster. It also helps reduce the load on our generous volunteers while elevating the signal to noise ratio of the forums otherwise arising from the same queries being posted repeatedly).
Some or all of the below information will be requested if it isn’t supplied; for fastest response please provide as much as you can. 
The Basics
- Nextcloud Server version (e.g., 29.x.x):
- Nextcloud Hub 8 (29.0.16)
- Operating system and version (e.g., Ubuntu 24.04):
- Ubuntu 22.04.5 LTS
- Web server and version (e.g, Apache 2.4.25):
- Apache/2.4.65 (Ubuntu)
- Reverse proxy and version _(e.g. nginx 1.27.2)
n/a
- PHP version (e.g, 8.3):
- PHP 8.1.33
- Is this the first time you’ve seen this error? (Yes / No):
Yes
- When did this problem seem to first start?
When I tried adding attendees
- Installation method (e.g. AlO, NCP, Bare Metal/Archive, etc.)
replace me
- Are you using CloudfIare, mod_security, or similar? (Yes / No)
No
Summary of the issue you are facing:
When trying to add new Attendees to a event in a Group calendar, people in the Address Book show up as potential Attendees (e.g. when typing part of thair name.) However local accounts never show up, even when typing part, or full local names, or when simply clicking in the drop down Attendees field.
A calendar is created in my account. It is shared with a Group. (The Group has members that belong to it, e.g. MemberA, MemberB, MemberC)
An event is created in the calendar, and More Details clicked to access the Attendees field. Clicking the dropdown shows No Results. Typing a local username (e.g. MemberA) does not find MemberA. Typing part of names in the address book will show them as potential Attendees.
It is therefore impossible to add local users as event attendees.
Local users DO have an email address set in their account. However even typing this email address does not find the local user.
Expected Behaviour:
Tying a local username (or at least clicking the dropdown) should offer local users as potential Attendees.
Steps to replicate it (hint: details matter!):
-
A new calendar is created in my account.
-
The calendar is shared to a Group. (Group members can see and interact with the calendar.)
-
A new event is added to the calendar.
-
Click More Details to access the Attendees fields
-
Click on the field, or type a local username in part or full.
-
Nothing appears.
Log entries
Nextcloud
Please provide the log entries from your Nextcloud log that are generated during the time of problem (via the Copy raw option from Administration settings->Logging screen or from your nextcloud.log located in your data directory). Feel free to use a pastebin/gist service if necessary.
No entries are generated in log.
Web Browser
If the problem is related to the Web interface, open your browser inspector Console and Network tabs while refreshing (reloading) and reproducing the problem. Provide any relevant output/errors here that appear.
Not a web issues.
Web server / Reverse Proxy
The output of your Apache/nginx/system log in /var/log/____:
No errors / logs generated.
Configuration
Nextcloud
The output of occ config:list system or similar is best, but, if not possible, the contents of your config.php file from /path/to/nextcloud is fine (make sure to remove any identifiable information!):
{
"system": {
"instanceid": "***REMOVED SENSITIVE VALUE***",
"passwordsalt": "***REMOVED SENSITIVE VALUE***",
"secret": "***REMOVED SENSITIVE VALUE***",
"trusted_domains": [
"REMOVED"
],
"datadirectory": "***REMOVED SENSITIVE VALUE***",
"logfile": "\/var\/www\/html\/nextcloud\/data\/nextcloud.log",
"overwriteprotocol": "https",
"overwrite.cli.url": "https:\/\/REMOVED",
"dbtype": "mysql",
"version": "29.0.16.1",
"dbname": "***REMOVED SENSITIVE VALUE***",
"dbhost": "***REMOVED SENSITIVE VALUE***",
"dbport": "",
"dbtableprefix": "oc_",
"dbuser": "***REMOVED SENSITIVE VALUE***",
"dbpassword": "***REMOVED SENSITIVE VALUE***",
"logtimezone": "UTC",
"mysql.utf8mb4": true,
"installed": true,
"htaccess.RewriteBase": "\/",
"memcache.local": "\\OC\\Memcache\\APCu",
"filelocking.enabled": true,
"memcache.distributed": "\\OC\\Memcache\\Redis",
"memcache.locking": "\\OC\\Memcache\\Redis",
"redis": {
"host": "***REMOVED SENSITIVE VALUE***",
"port": 0,
"timeout": 0
},
"enable_previews": true,
"enabledPreviewProviders": [
"OC\\Preview\\PNG",
"OC\\Preview\\JPEG",
"OC\\Preview\\GIF",
"OC\\Preview\\HEIC",
"OC\\Preview\\BMP",
"OC\\Preview\\XBitmap",
"OC\\Preview\\MP3",
"OC\\Preview\\TXT",
"OC\\Preview\\MarkDown",
"OC\\Preview\\Movie",
"OC\\Preview\\Image",
"OC\\Preview\\TIFF"
],
"maintenance": false,
"maintenance_window_start": 1,
"theme": "",
"loglevel": 2,
"mail_smtpmode": "smtp",
"mail_smtpsecure": "ssl",
"mail_from_address": "***REMOVED SENSITIVE VALUE***",
"mail_domain": "***REMOVED SENSITIVE VALUE***",
"mail_smtpauth": 1,
"mail_smtphost": "***REMOVED SENSITIVE VALUE***",
"mail_smtpport": "465",
"mail_smtpname": "***REMOVED SENSITIVE VALUE***",
"mail_smtppassword": "***REMOVED SENSITIVE VALUE***",
"mail_smtpauthtype": "LOGIN",
"updater.release.channel": "stable",
"check_for_working_htaccess": true,
"default_phone_region": "GB",
"trashbin_retention_obligation": "auto, 15",
"encryption.legacy_format_support": false,
"encryption.key_storage_migrated": false,
"mail_sendmailmode": "smtp",
"memories.db.triggers.fcu": true,
"memories.exiftool": "\/var\/www\/html\/nextcloud\/apps\/memories\/bin-ext\/exiftool-aarch64-glibc",
"memories.vod.path": "\/var\/www\/html\/nextcloud\/apps\/memories\/bin-ext\/go-vod-aarch64",
"memories.vod.ffmpeg": "\/usr\/bin\/ffmpeg",
"memories.vod.ffprobe": "\/usr\/bin\/ffprobe",
"preview_max_x": 1024,
"preview_max_y": 1024,
"memories.gis_type": 1,
"allow_local_remote_servers": true,
"localstorage.allowsymlinks": true
}
}
Apps
The output of occ app:list (if possible).
Tips for increasing the likelihood of a response
- Use the
preformatted textformatting option in the editor for all log entries and configuration output. - If screenshots are useful, feel free to include them.
- If possible, also include key error output in text form so it can be searched for.
- Try to edit log output only minimally (if at all) so that it can be ran through analyzers / formatters by those trying to help you.