Error when updating task half the time

[Yiannis128]

Steps to reproduce

1. In the web client, edit a random property on a task (except moving task to different list)
2. Edit task again, observer yellow error message “Could not update task because it was changed on the server. Please click to refresh it, local changes will be discarded”.
3. Edit task again, observer task changing as expected.
4. Repeat and observer yellow error.

Expected behaviour

Task should change 100% of the time without error.

Actual behaviour

Error is observed 50% of the time…

Server configuration

Operating system: Fedora 5.19.11-200.fc36.x86_64

Web server: NGINX 1.22.0

Database: MariaDB 10.5.16

PHP version: 8.1.10

Nextcloud version: 24.0.6

Tasks version: 0.14.4

Updated from an older Nextcloud or fresh install: Older version

Signing status:

No errors have been found.

List of activated apps:

  - accessibility: 1.10.0
  - activity: 2.16.0
  - admin_audit: 1.14.0
  - apporder: 0.15.0
  - breezedark: 24.0.2
  - bruteforcesettings: 2.4.0
  - calendar: 3.5.0
  - checksum: 1.1.4
  - cloud_federation_api: 1.7.0
  - contacts: 4.2.2
  - contactsinteraction: 1.5.0
  - dashboard: 7.4.0
  - dav: 1.22.0
  - deck: 1.7.1
  - duplicatefinder: 0.0.15
  - federatedfilesharing: 1.14.0
  - files: 1.19.0
  - files_pdfviewer: 2.5.0
  - files_rightclick: 1.3.0
  - files_sharing: 1.16.2
  - files_trashbin: 1.14.0
  - files_versions: 1.17.0
  - files_videoplayer: 1.13.0
  - firstrunwizard: 2.13.0
  - issuetemplate: 0.7.0
  - logreader: 2.9.0
  - lookup_server_connector: 1.12.0
  - music: 1.6.0
  - news: 18.2.0
  - notes: 4.5.1
  - notifications: 2.12.1
  - oauth2: 1.12.0
  - password_policy: 1.14.0
  - photos: 1.6.0
  - privacy: 1.8.0
  - provisioning_api: 1.14.0
  - quota_warning: 1.14.0
  - ransomware_protection: 1.13.0
  - serverinfo: 1.14.0
  - settings: 1.6.0
  - sharebymail: 1.14.0
  - side_menu: 2.5.1
  - survey_client: 1.12.0
  - systemtags: 1.14.0
  - tasks: 0.14.4
  - text: 3.5.1
  - theming: 1.15.0
  - theming_customcss: 1.12.0
  - twofactor_backupcodes: 1.13.0
  - unroundedcorners: 1.0.3
  - updatenotification: 1.14.0
  - viewer: 1.8.0
  - weather_status: 1.4.0
  - workflowengine: 2.6.0
Disabled:
  - circles: 24.0.1
  - comments: 1.14.0
  - documentserver_community: 0.1.12
  - encryption: 2.12.0
  - federation: 1.14.0
  - files_external
  - nextcloud_announcements: 1.13.0
  - onlyoffice: 7.5.4
  - recommendations: 1.2.0
  - support: 1.6.0
  - user_ldap
  - user_status: 1.4.0

Nextcloud configuration:

{
    "system": {
        "instanceid": "***REMOVED SENSITIVE VALUE***",
        "passwordsalt": "***REMOVED SENSITIVE VALUE***",
        "secret": "***REMOVED SENSITIVE VALUE***",
        "trusted_domains": [
            "***REMOVED SENSITIVE VALUE***"
        ],
        "datadirectory": "***REMOVED SENSITIVE VALUE***",
        "dbtype": "mysql",
        "version": "24.0.6.1",
        "overwrite.cli.url": "***REMOVED SENSITIVE VALUE***",
        "dbname": "***REMOVED SENSITIVE VALUE***",
        "dbhost": "***REMOVED SENSITIVE VALUE***",
        "dbport": "",
        "dbtableprefix": "oc_",
        "mysql.utf8mb4": true,
        "dbuser": "***REMOVED SENSITIVE VALUE***",
        "dbpassword": "***REMOVED SENSITIVE VALUE***",
        "installed": true,
        "mail_smtpmode": "smtp",
        "mail_sendmailmode": "smtp",
        "maintenance": false,
        "theme": "",
        "loglevel": 2,
        "has_rebuilt_cache": true,
        "app_install_overwrite": [
            "documentserver_community",
            "issuetemplate"
        ],
        "data-fingerprint": "***REMOVED SENSITIVE VALUE***",
        "twofactor_enforced": "false",
        "twofactor_enforced_groups": [],
        "twofactor_enforced_excluded_groups": [],
        "memcache.local": "\\OC\\Memcache\\APCu",
        "default_phone_region": "GB",
        "mail_smtpsecure": "tls",
        "mail_from_address": "***REMOVED SENSITIVE VALUE***",
        "mail_domain": "***REMOVED SENSITIVE VALUE***",
        "mail_smtpport": "587",
        "mail_smtphost": "***REMOVED SENSITIVE VALUE***",
        "mail_smtpauthtype": "LOGIN",
        "mail_smtpauth": 1,
        "mail_smtpname": "***REMOVED SENSITIVE VALUE***",
        "mail_smtppassword": "***REMOVED SENSITIVE VALUE***"
    }
}

Are you using external storage, if yes which one: local

Are you using encryption: no

Are you using an external user-backend, if yes which one: WebDAV

Client configuration

Browser: Firefox

Operating system: ArchLinux

Logs

Browser log

PUThttps://***REMOVED SENSITIVE VALUE***/remote.php/dav/calendars/***REMOVED SENSITIVE VALUE***.ics
[HTTP/2 412 Precondition Failed 98ms]
Got notification data [App.vue:318](webpack:///notifications/src/App.vue)

[raimund-schluessler]

Please see #2077.