[Bug]: conflict with value type from database AppConfigTypeConflictException conflict with value type from database

[AndyXheli]

⚠️ This issue respects the following points: ⚠️

• This is a bug, not a question or a configuration/webserver/proxy issue.
• This issue is not already reported on Github OR Nextcloud Community Forum (I've searched it).
• Nextcloud Server is up to date. See Maintenance and Release Schedule for supported versions.
• I agree to follow Nextcloud's Code of Conduct.

Bug description

Seeing a lot of these errors since i upgraded to NC34

Steps to reproduce

1. Upgraded to NC 34 RC2 from 33

Expected behavior

Should not see this error

Nextcloud Server version

34

Operating system

Debian/Ubuntu

PHP engine version

PHP 8.5

Web server

Apache (supported)

Database engine version

MariaDB

Is this bug present after an update or on a fresh install?

Upgraded to a MAJOR version (ex. 31 to 32)

Are you using the Nextcloud Server Encryption module?

Encryption is Disabled

What user-backends are you using?

• Default user-backend (database)
• LDAP/ Active Directory
• SSO - SAML
• Other

Configuration report

root@nextcloud:/var/www/nextcloud# sudo -u www-data php occ config:list system
{
    "system": {
        "instanceid": "***REMOVED SENSITIVE VALUE***",
        "passwordsalt": "***REMOVED SENSITIVE VALUE***",
        "secret": "***REMOVED SENSITIVE VALUE***",
        "serverid": 1,
        "trusted_domains": [
            "***REMOVED SENSITIVE VALUE***",
            "***REMOVED SENSITIVE VALUE***"
        ],
        "datadirectory": "***REMOVED SENSITIVE VALUE***",
        "dbtype": "mysql",
        "version": "34.0.0.8",
        "overwrite.cli.url": "***REMOVED SENSITIVE VALUE***",
        "htaccess.RewriteBase": "\/",
        "dbname": "***REMOVED SENSITIVE VALUE***",
        "dbhost": "***REMOVED SENSITIVE VALUE***",
        "dbport": "",
        "dbtableprefix": "oc_",
        "mysql.utf8mb4": true,
        "dbuser": "***REMOVED SENSITIVE VALUE***",
        "dbpassword": "***REMOVED SENSITIVE VALUE***",
        "installed": true,
        "skeletondirectory": "",
        "maintenance": false,
        "maintenance_window_start": 1,
        "default_phone_region": "US",
        "default_locale": "en_US",
        "memcache.local": "\\OC\\Memcache\\APCu",
        "memcache.distributed": "\\OC\\Memcache\\Redis",
        "memcache.locking": "\\OC\\Memcache\\Redis",
        "redis": {
            "host": "***REMOVED SENSITIVE VALUE***",
            "port": 0,
            "dbindex": 0,
            "password": "***REMOVED SENSITIVE VALUE***",
            "timeout": 1.5
        },
        "trusted_proxies": "***REMOVED SENSITIVE VALUE***",
        "allow_local_remote_servers": true,
        "mail_from_address": "***REMOVED SENSITIVE VALUE***",
        "mail_smtpmode": "smtp",
        "mail_sendmailmode": "smtp",
        "mail_domain": "***REMOVED SENSITIVE VALUE***",
        "mail_smtpport": "587",
        "mail_smtphost": "***REMOVED SENSITIVE VALUE***",
        "enable_previews": true,
        "enabledPreviewProviders": [
            "OC\\Preview\\Image",
            "OC\\Preview\\HEIC",
            "OC\\Preview\\Movie",
            "OC\\Preview\\TIFF",
            "OC\\Preview\\OpenDocument",
            "OC\\Preview\\MSOfficeDoc",
            "OC\\Preview\\SVG",
            "OC\\Preview\\TXT",
            "OC\\Preview\\PNG",
            "OC\\Preview\\JPEG"
        ],
        "preview_max_x": 2048,
        "preview_max_y": 2048,
        "preview_max_filesize_image": 50,
        "preview_max_memory": 1024,
        "defaultapp": "dashboard,files,photos,spreed",
        "updater.release.channel": "beta",
        "theme": "",
        "loglevel": 2,
        "log.condition": {
            "apps": [
                "admin_audit"
            ]
        },
        "mail_smtpauth": true,
        "mail_smtpname": "***REMOVED SENSITIVE VALUE***",
        "mail_smtppassword": "***REMOVED SENSITIVE VALUE***",
        "twofactor_enforced": "false",
        "twofactor_enforced_groups": [],
        "twofactor_enforced_excluded_groups": [],
        "config_preset": 2,
        "versions_retention_obligation": "7,8",
        "app_install_overwrite": [
            "theming_customcss"
        ],
        "memories.db.triggers.fcu": true,
        "memories.exiftool": "\/var\/www\/nextcloud\/apps\/memories\/bin-ext\/exiftool-amd64-glibc",
        "memories.vod.path": "\/var\/www\/nextcloud\/apps\/memories\/bin-ext\/go-vod-amd64",
        "memories.vod.ffmpeg": "\/usr\/bin\/ffmpeg",
        "memories.vod.ffprobe": "\/usr\/bin\/ffprobe",
        "memories.gis_type": 1,
        "mail_smtpstreamoptions": {
            "ssl": {
                "allow_self_signed": false,
                "verify_peer": true,
                "verify_peer_name": true
            }
        },
        "updater.secret": "***REMOVED SENSITIVE VALUE***"
    }
}

List of activated Apps

Enabled:
  - activity: 7.0.0
  - admin_audit: 1.24.0
  - approve_links: 1.4.0
  - appstore: 1.0.0
  - bruteforcesettings: 7.0.0
  - cloud_federation_api: 1.18.0
  - comments: 1.24.0
  - contacts: 8.5.0
  - contactsinteraction: 1.15.0
  - dashboard: 7.14.0
  - dav: 1.39.0
  - federatedfilesharing: 1.24.0
  - federation: 1.24.0
  - files: 2.6.0
  - files_accesscontrol: 5.0.0
  - files_automatedtagging: 5.0.0
  - files_confidential: 4.1.0
  - files_downloadlimit: 5.2.0-dev.0
  - files_external: 1.26.0
  - files_lock: 34.0.0
  - files_pdfviewer: 7.0.0-dev.0
  - files_reminders: 1.7.0
  - files_sharing: 1.26.0
  - files_trashbin: 1.24.0
  - files_versions: 1.27.0
  - firstrunwizard: 7.0.0-dev.0
  - flow_notifications: 5.0.0-beta.1
  - groupfolders: 22.0.0
  - guests: 4.7.4
  - logreader: 7.0.0
  - lookup_server_connector: 1.22.0
  - nextcloud_announcements: 6.0.0
  - notifications: 7.0.0-dev.1
  - notify_push: 1.3.3
  - oauth2: 1.22.0
  - password_policy: 6.0.0-dev.0
  - photos: 7.0.0
  - privacy: 6.0.0-dev.1
  - profile: 1.3.0
  - provisioning_api: 1.24.0
  - recognize: 12.0.0
  - recommendations: 7.0.0-dev.0
  - related_resources: 5.0.0-dev.0
  - richdocuments: 11.0.0-beta.1
  - serverinfo: 6.0.0-dev.0
  - settings: 1.17.0
  - sharebymail: 1.24.0
  - socialsharing_email: 4.1.0
  - spreed: 24.0.0-rc.2
  - support: 6.0.0
  - survey_client: 6.0.0-dev.0
  - systemtags: 1.24.0
  - text: 8.0.0
  - theming: 2.9.0
  - theming_customcss: 1.20.0
  - twofactor_backupcodes: 1.23.0
  - updatenotification: 1.24.0
  - user_oidc: 8.10.1
  - user_status: 1.14.0
  - viewer: 7.0.0-dev.0
  - weather_status: 1.14.0
  - webhook_listeners: 1.6.0
  - workflowengine: 2.16.0
Disabled:
  - app_api: 34.0.0 (installed 33.0.0)
  - circles: 34.0.0 (installed 31.0.0)
  - encryption: 2.22.0
  - end_to_end_encryption: 2.1.1 (installed 2.1.1)
  - impersonate: 4.0.0 (installed 4.0.0)
  - memories: 8.0.1 (installed 8.0.1)
  - previewgenerator: 5.13.0 (installed 5.13.0)
  - quota_warning: 1.23.0 (installed 1.23.0)
  - suspicious_login: 12.0.0-dev.0 (installed 12.0.0-dev.0)
  - testing: 1.23.0
  - twofactor_nextcloud_notification: 8.0.0 (installed 7.0.0)
  - twofactor_totp: 16.0.0 (installed 15.0.0)
  - user_ldap: 1.25.0 (installed 1.24.0)
  - user_saml: 8.0.1 (installed 8.0.1)
  - workflow_pdf_converter: 4.0.0 (installed 4.0.0)

Nextcloud Signing status

Nextcloud Logs

{"reqId":"9ty1HsQQy3zq7QeCa1NJ","level":2,"time":"2026-05-26T13:14:36+00:00","remoteAddr":"10.241.204.18","user":"axheli","app":"theming","method":"GET","url":"/apps/theming/manifest/settings?v=ba7e6a9a","scriptName":"/index.php","message":"conflict with value type from database","userAgent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/148.0.0.0 Safari/537.36","version":"34.0.0.8","data":{"app":"theming","key":"cachebuster","type":"4","knownType":"8"},"id":"6a159cbc577ad"}


{"reqId":"9ty1HsQQy3zq7QeCa1NJ","level":3,"time":"2026-05-26T13:14:36+00:00","remoteAddr":"10.241.204.18","user":"axheli","app":"index","method":"GET","url":"/apps/theming/manifest/settings?v=ba7e6a9a","scriptName":"/index.php","message":"conflict with value type from database","userAgent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/148.0.0.0 Safari/537.36","version":"34.0.0.8","exception":{"Exception":"OCP\\Exceptions\\AppConfigTypeConflictException","Message":"conflict with value type from database","Code":0,"Trace":[{"file":"/var/www/nextcloud/lib/private/AppConfig.php","line":378,"function":"getTypedValue","class":"OC\\AppConfig","type":"->"},{"file":"/var/www/nextcloud/lib/private/AppFramework/Services/AppConfig.php","line":252,"function":"getValueString","class":"OC\\AppConfig","type":"->"},{"file":"/var/www/nextcloud/apps/theming/lib/Controller/ThemingController.php","line":459,"function":"getAppValueString","class":"OC\\AppFramework\\Services\\AppConfig","type":"->"},{"file":"/var/www/nextcloud/lib/private/AppFramework/Http/Dispatcher.php","line":165,"function":"getManifest","class":"OCA\\Theming\\Controller\\ThemingController","type":"->"},{"file":"/var/www/nextcloud/lib/private/AppFramework/Http/Dispatcher.php","line":78,"function":"executeController","class":"OC\\AppFramework\\Http\\Dispatcher","type":"->"},{"file":"/var/www/nextcloud/lib/private/AppFramework/App.php","line":137,"function":"dispatch","class":"OC\\AppFramework\\Http\\Dispatcher","type":"->"},{"file":"/var/www/nextcloud/lib/private/Route/Router.php","line":324,"function":"main","class":"OC\\AppFramework\\App","type":"::"},{"file":"/var/www/nextcloud/lib/base.php","line":1159,"function":"match","class":"OC\\Route\\Router","type":"->"},{"file":"/var/www/nextcloud/index.php","line":25,"function":"handleRequest","class":"OC","type":"::"}],"File":"/var/www/nextcloud/lib/private/AppConfig.php","Line":519,"message":"conflict with value type from database","exception":"{\"class\":\"OCP\\Exceptions\\AppConfigTypeConflictException\",\"message\":\"conflict with value type from database\",\"code\":0,\"file\":\"/var/www/nextcloud/lib/private/AppConfig.php:519\",\"trace\":\"#0 /var/www/nextcloud/lib/private/AppConfig.php(378): OC\\AppConfig->getTypedValue()\\n#1 /var/www/nextcloud/lib/private/AppFramework/Services/AppConfig.php(252): OC\\AppConfig->getValueString()\\n#2 /var/www/nextcloud/apps/theming/lib/Controller/ThemingController.php(459): OC\\AppFramework\\Services\\AppConfig->getAppValueString()\\n#3 /var/www/nextcloud/lib/private/AppFramework/Http/Dispatcher.php(165): OCA\\Theming\\Controller\\ThemingController->getManifest()\\n#4 /var/www/nextcloud/lib/private/AppFramework/Http/Dispatcher.php(78): OC\\AppFramework\\Http\\Dispatcher->executeController()\\n#5 /var/www/nextcloud/lib/private/AppFramework/App.php(137): OC\\AppFramework\\Http\\Dispatcher->dispatch()\\n#6 /var/www/nextcloud/lib/private/Route/Router.php(324): OC\\AppFramework\\App::main()\\n#7 /var/www/nextcloud/lib/base.php(1159): OC\\Route\\Router->match()\\n#8 /var/www/nextcloud/index.php(25): OC::handleRequest()\\n#9 {main}\"}","CustomMessage":"conflict with value type from database"},"id":"6a159cbc577a2"}

Additional info

No response