[Bug]: Folder Not Found - Error 404 on some folders ... | nextcloud/server

⚠️ 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

We user browser to his folders in nextcloud web, sometime some folders display following error :
"Folder not found : retry".

After several refresh are browsing back and again to the folder, it displays his content instead of this error.

Steps to reproduce

Open folder in nextcloud web ui (randomly)
"Folder not found : retry" error is displayed.

Expected behavior

Folder should display his content instead of this error.

Nextcloud Server version

Operating system

Debian/Ubuntu

PHP engine version

PHP 8.2

Web server

Nginx

Database engine version

PostgreSQL

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?

None

What user-backends are you using?

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

Configuration report

{
    "system": {
        "installed": "true",
        "passwordsalt": "***REMOVED SENSITIVE VALUE***",
        "secret": "***REMOVED SENSITIVE VALUE***",
        "trusted_domains": [
            "nextcloud.domain.name"
        ],
        "overwrite.cli.url": "https:\/\/nextcloud.domain.name",
        "overwriteprotocol": "",
        "version": "30.0.8.1",
        "debug": false,
        "instanceid": "***REMOVED SENSITIVE VALUE***",
        "config_is_read_only": "true",
        "skeletondirectory": "",
        "updatechecker": "false",
        "updater.server.url": "***REMOVED SENSITIVE VALUE***",
        "updater.release.channel": "stable",
        "upgrade.disable-web": true,
        "sharing.maxAutocompleteResults": 10,
        "sharing.minSearchStringLength": 2,
        "trashbin_retention_obligation": "30,60",
        "versions_retention_obligation": "auto,365",
        "activity_expire_days": 30,
        "check_for_working_wellknown_setup": false,
        "default_phone_region": "FR",
        "log_type": "errorlog",
        "log_type_audit": "errorlog",
        "auth.bruteforce.protection.enabled": false,
        "ratelimit.protection.enabled": false,
        "memcache.local": "\\OC\\Memcache\\APCu",
        "apps_paths": [
            {
                "path": "\/usr\/src\/nextcloud\/apps",
                "url": "\/apps",
                "writable": false
            }
        ],
        "default_language": "fr",
        "default_locale": "fr",
        "enable_previews": false,
        "preview_format": "webp",
        "memcache.distributed": "\\OC\\Memcache\\Redis",
        "memcache.locking": "\\OC\\Memcache\\Redis",
        "redis": {
            "host": "***REMOVED SENSITIVE VALUE***",
            "password": "***REMOVED SENSITIVE VALUE***",
            "port": 6379
        },
        "trusted_proxies": "***REMOVED SENSITIVE VALUE***",
        "objectstore": {
            "class": "\\OC\\Files\\ObjectStore\\S3",
            "arguments": {
                "bucket": "nextcloud",
                "autocreate": false,
                "uploadPartSize": 124288000,
                "key": "***REMOVED SENSITIVE VALUE***",
                "secret": "***REMOVED SENSITIVE VALUE***",
                "region": "default",
                "hostname": "minio.domain.name",
                "port": "443",
                "use_ssl": true,
                "use_path_style": true
            }
        },
        "mail_smtpmode": "smtp",
        "mail_smtphost": "***REMOVED SENSITIVE VALUE***",
        "mail_smtpport": "587",
        "mail_smtpsecure": "tls",
        "mail_smtpauth": true,
        "mail_smtpauthtype": "LOGIN",
        "mail_smtpname": "***REMOVED SENSITIVE VALUE***",
        "mail_from_address": "***REMOVED SENSITIVE VALUE***",
        "mail_domain": "***REMOVED SENSITIVE VALUE***",
        "mail_smtppassword": "***REMOVED SENSITIVE VALUE***",
        "appstoreenabled": false,
        "dbtableprefix": "",
        "dbhost": "***REMOVED SENSITIVE VALUE***",
        "dbuser": "***REMOVED SENSITIVE VALUE***",
        "dbtype": "pgsql",
        "dbport": "5432",
        "dbpassword": "***REMOVED SENSITIVE VALUE***",
        "dbname": "***REMOVED SENSITIVE VALUE***"
    }
}

List of activated Apps

Enabled:
  - activity: 3.0.0
  - admin_audit: 1.20.0
  - app_api: 4.0.6
  - bruteforcesettings: 3.0.0
  - circles: 30.0.0
  - cloud_federation_api: 1.13.0
  - collectives: 2.16.1
  - comments: 1.20.1
  - contacts: 7.0.5
  - contactsinteraction: 1.11.0
  - dav: 1.31.1
  - deck: 1.14.4
  - drawio: 3.0.9
  - external: 5.5.2
  - federatedfilesharing: 1.20.0
  - federation: 1.20.0
  - files: 2.2.0
  - files_downloadlimit: 3.0.0
  - files_pdfviewer: 3.0.0
  - files_reminders: 1.3.0
  - files_sharing: 1.22.0
  - files_trashbin: 1.20.1
  - files_versions: 1.23.0
  - files_versions_s3: 1.1.0
  - forms: 4.3.12
  - liiibre: 1.0.0
  - lookup_server_connector: 1.18.0
  - notifications: 3.0.0
  - oauth2: 1.18.1
  - onlyoffice: 9.8.0
  - passwords: 2025.4.10
  - polls: 7.4.2
  - privacy: 2.0.0
  - provisioning_api: 1.20.0
  - recommendations: 3.0.0
  - related_resources: 1.5.0
  - settings: 1.13.0
  - sharebymail: 1.20.0
  - systemtags: 1.20.0
  - tasks: 0.16.1
  - text: 4.1.0
  - theming: 2.6.0
  - theming_customcss: 1.18.0
  - twofactor_backupcodes: 1.19.0
  - user_saml: 6.5.0
  - viewer: 3.0.0
  - webhook_listeners: 1.1.0-dev
  - workflowengine: 2.12.0

Nextcloud Signing status

Nextcloud Logs

90.1.150.226 - - [03/Jul/2025:12:16:02 +0000] "PROPFIND /remote.php/dav/files/user/PathToFolder/Folder/ HTTP/1.1" 499 0 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:139.0) Gecko/20100101 Firefox/139.0" "90.1.150.226"
90.1.150.226 - - [03/Jul/2025:12:16:02 +0000] "GET /ocs/v2.php/apps/text/workspace?path=%PathToFolder%2FFolder HTTP/1.1" 404 140 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:139.0) Gecko/20100101 Firefox/139.0" "90.1.150.226"
90.1.150.226 - - [03/Jul/2025:12:16:11 +0000] "PROPFIND /remote.php/dav/files/user/PathToFolder/Folder/ HTTP/1.1" 499 0 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:139.0) Gecko/20100101 Firefox/139.0" "90.1.150.226"

Additional info

Web Logs

A setting with the same name is already registered [Settings.js:24:11](webpack:///nextcloud/apps/files/src/services/Settings.js)
    register Settings.js:24
    render main.js:39
    mounted FilesListHeader.vue:41
    VueJS 18
    init vue-router.esm.js:3005
    init vue-router.esm.js:3004
    updateRoute vue-router.esm.js:2414
    transitionTo vue-router.esm.js:2263
    confirmTransition vue-router.esm.js:2402
    a vue-router.esm.js:2084
    Ce vue-router.esm.js:2095
    confirmTransition vue-router.esm.js:2396
    a vue-router.esm.js:2084
    a vue-router.esm.js:2088
    _ vue-router.esm.js:2384
    g vue-router.esm.js:2162
    _ vue-router.esm.js:2362
    a vue-router.esm.js:2087
    a vue-router.esm.js:2091
    Ce vue-router.esm.js:2095
    confirmTransition vue-router.esm.js:2392
    transitionTo vue-router.esm.js:2260
    push vue-router.esm.js:2606
    push vue-router.esm.js:3039
    push router.ts:11
    y vue-router.esm.js:1139
    click NcButton.mjs:232
    VueJS 33

XHRPROPFIND
https://nextcloud.domain.name/remote.php/dav/files/user/user/PathToFolder/Folder/
NS_BINDING_ABORTED

XHRPROPFIND
https://nextcloud.domain.name/remote.php/dav/files/user/PathToFolder/Folder/
[HTTP/2 404  123ms]

Uncaught (in promise) Error: Invalid response: 404 
    nt index.js:2
    at index.js:2
    Ot index.js:2
    promise callback*jt index.js:2
    Ot index.js:2
    Ot index.js:2
    getDirectoryContents index.js:2
    Y Files.ts:17
    s CancelablePromise.js:82
    e CancelablePromise.js:81
    n CancelablePromise.js:30
    r CancelablePromise.js:191
    Y Files.ts:14
    E FileListFilterAccount.vue:63
    setup FileListFilterAccount.vue:113
    VueJS 5
    setup FileListFilterAccount.vue:108
    VueJS 5
    mount AccountFilter.ts:18
    setup FileListFilters.vue:16
    setup FileListFilters.vue:16
    VueJS 14
    init vue-router.esm.js:3005
    init vue-router.esm.js:3004
    updateRoute vue-router.esm.js:2414
    transitionTo vue-router.esm.js:2263
    confirmTransition vue-router.esm.js:2402
    a vue-router.esm.js:2084
    Ce vue-router.esm.js:2095
    confirmTransition vue-router.esm.js:2396
    a vue-router.esm.js:2084
    a vue-router.esm.js:2088
    _ vue-router.esm.js:2384
    g vue-router.esm.js:2162
    _ vue-router.esm.js:2362
    a vue-router.esm.js:2087
    a vue-router.esm.js:2091
    Ce vue-router.esm.js:2095
    confirmTransition vue-router.esm.js:2392
    transitionTo vue-router.esm.js:2260
    push vue-router.esm.js:2606
    push vue-router.esm.js:3039
    push router.ts:11
    y vue-router.esm.js:1139
    click NcButton.mjs:232
[index.js:2:80654](webpack:///nextcloud/node_modules/webdav/dist/web/index.js)
    E FileListFilterAccount.vue:63
    AsyncFunctionThrow self-hosted:804
    (Asynchrone : async)
    setup FileListFilterAccount.vue:113
    VueJS 5
    setup FileListFilterAccount.vue:108
    VueJS 5
    mount AccountFilter.ts:18
    setup FileListFilters.vue:16
    forEach self-hosted:157
    setup FileListFilters.vue:16
    VueJS 14
    init vue-router.esm.js:3005
    forEach self-hosted:157
    init vue-router.esm.js:3004
    updateRoute vue-router.esm.js:2414
    transitionTo vue-router.esm.js:2263
    confirmTransition vue-router.esm.js:2402
    a vue-router.esm.js:2084
    Ce vue-router.esm.js:2095
    confirmTransition vue-router.esm.js:2396
    a vue-router.esm.js:2084
    a vue-router.esm.js:2088
    _ vue-router.esm.js:2384
    g vue-router.esm.js:2162
    _ vue-router.esm.js:2362
    a vue-router.esm.js:2087
    a vue-router.esm.js:2091
    Ce vue-router.esm.js:2095
    confirmTransition vue-router.esm.js:2392
    transitionTo vue-router.esm.js:2260
    push vue-router.esm.js:2606
    push vue-router.esm.js:3039
    push router.ts:11
    y vue-router.esm.js:1139
    click NcButton.mjs:232

[ERROR] files: Error while fetching content 
Object { app: "files", uid: "alexis", level: 2, error: Error }
index.mjs:54:16
    log index.mjs:54
    error index.mjs:72
    fetchContent FilesList.vue:384
    VueJS 4
    onClick BreadCrumbs.vue:133
    click BreadCrumbs.vue:1
    VueJS 31
    init vue-router.esm.js:3005
    init vue-router.esm.js:3004
    updateRoute vue-router.esm.js:2414
    transitionTo vue-router.esm.js:2263
    confirmTransition vue-router.esm.js:2402
    a vue-router.esm.js:2084
    Ce vue-router.esm.js:2095
    confirmTransition vue-router.esm.js:2396
    a vue-router.esm.js:2084
    a vue-router.esm.js:2088
    _ vue-router.esm.js:2384
    g vue-router.esm.js:2162
    _ vue-router.esm.js:2362
    a vue-router.esm.js:2087
    a vue-router.esm.js:2091
    Ce vue-router.esm.js:2095
    confirmTransition vue-router.esm.js:2392
    transitionTo vue-router.esm.js:2260
    push vue-router.esm.js:2606
    push vue-router.esm.js:3036
    push vue-router.esm.js:3035
    push router.ts:13
    goToRoute RouterService.ts:38

404 PROPFIND answer

<?xml version="1.0" encoding="utf-8"?>
<d:error xmlns:d="DAV:" xmlns:s="http://sabredav.org/ns">
  <s:exception>Sabre\DAV\Exception\NotFound</s:exception>
  <s:message>File with name //Projets could not be located</s:message>
</d:error>

We have this error since the upgrade from 27 to 28. Then we upgraded to 29 and then 30, and the issue is still there.

Specific config :

S3 versionning with MinIO.
Nextcloud in kubernetes.

[Bug]: Folder Not Found - Error 404 on some folders (randomly)

Description

⚠️ This issue respects the following points: ⚠️

Bug description

Steps to reproduce

Expected behavior

Nextcloud Server version

Operating system

PHP engine version

Web server

Database engine version

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

Are you using the Nextcloud Server Encryption module?

What user-backends are you using?

Configuration report

List of activated Apps

Nextcloud Signing status

Nextcloud Logs

Additional info

Web Logs

Contributor guide

First steps

Research direction

Assessment

[Bug]: Folder Not Found - Error 404 on some folders (randomly)

Description

⚠️ This issue respects the following points: ⚠️

Bug description

Steps to reproduce

Expected behavior

Nextcloud Server version

Operating system

PHP engine version

Web server

Database engine version

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

Are you using the Nextcloud Server Encryption module?

What user-backends are you using?

Configuration report

List of activated Apps

Nextcloud Signing status

Nextcloud Logs

Additional info

Web Logs

Contributor guide

First steps

Research direction

Assessment

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