[Bug]: 30.0.3 Log spamming Invalid label data providedInitialState by files_sharing

[Dennis1993]

⚠️ 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

After the update from 29.0.10 to 30.0.3 my log is full of this two entries:

Steps to reproduce

1. Use the cloud
2. Go to the log

Expected behavior

no log spamming

Nextcloud Server version

30

Operating system

Debian/Ubuntu

PHP engine version

PHP 8.3

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. 28 to 29)

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

{
    "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": "30.0.3.2",
        "dbname": "***REMOVED SENSITIVE VALUE***",
        "dbhost": "***REMOVED SENSITIVE VALUE***",
        "dbport": "",
        "dbtableprefix": "oc_",
        "mysql.utf8mb4": true,
        "dbuser": "***REMOVED SENSITIVE VALUE***",
        "dbpassword": "***REMOVED SENSITIVE VALUE***",
        "installed": true,
        "default_phone_region": "DE",
        "maintenance_window_start": 1,
        "mail_from_address": "***REMOVED SENSITIVE VALUE***",
        "mail_smtpmode": "sendmail",
        "mail_domain": "***REMOVED SENSITIVE VALUE***",
        "loglevel": 2,
        "log.condition": {
            "apps": [
                "admin_audit"
            ]
        },
        "ldapIgnoreNamingRules": false,
        "forcessl": true,
        "theme": "",
        "lost_password_link": "disabled",
        "auth.webauthn.enabled": false,
        "maintenance": false,
        "trashbin_retention_obligation": "auto,7",
        "ldapProviderFactory": "\\OCA\\User_LDAP\\LDAPProviderFactory",
        "overwriteprotocol": "https",
        "overwrite.cli.url": "***REMOVED SENSITIVE VALUE***",
        "skeletondirectory": "",
        "force_language": "de",
        "force_locale": "de_DE",
        "allow_user_to_change_display_name": false,
        "updater.release.channel": "stable",
        "encryption.key_storage_migrated": false,
        "trusted_proxies": "***REMOVED SENSITIVE VALUE***",
        "mail_sendmailmode": "smtp",
        "mail_smtphost": "***REMOVED SENSITIVE VALUE***",
        "mail_smtpport": "25",
        "filelocking.enabled": true,
        "memcache.local": "\\OC\\Memcache\\APCu",
        "memcache.distributed": "\\OC\\Memcache\\Redis",
        "memcache.locking": "\\OC\\Memcache\\Redis",
        "redis": {
            "host": "***REMOVED SENSITIVE VALUE***",
            "port": 0
        }
    }
}

List of activated Apps

Enabled:
  - activity: 3.0.0
  - admin_audit: 1.20.0
  - app_api: 4.0.3
  - bruteforcesettings: 3.0.0
  - calendar: 5.0.6
  - circles: 30.0.0
  - cloud_federation_api: 1.13.0
  - collectives: 2.15.1
  - comments: 1.20.1
  - contacts: 6.1.1
  - contactsinteraction: 1.11.0
  - dav: 1.31.1
  - deck: 1.14.2
  - drawio: 3.0.3
  - federatedfilesharing: 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
  - groupfolders: 18.0.7
  - logreader: 3.0.0
  - lookup_server_connector: 1.18.0
  - notifications: 3.0.0
  - notify_push: 0.7.0
  - oauth2: 1.18.1
  - officeonline: 2.3.1
  - photos: 3.0.2
  - polls: 7.2.5
  - provisioning_api: 1.20.0
  - related_resources: 1.5.0
  - serverinfo: 2.0.0
  - settings: 1.13.0
  - sharebymail: 1.20.0
  - spreed: 20.1.0
  - systemtags: 1.20.0
  - text: 4.1.0
  - theming: 2.5.0
  - twofactor_backupcodes: 1.19.0
  - updatenotification: 1.20.0
  - user_ldap: 1.21.0
  - viewer: 3.0.0
  - webhook_listeners: 1.1.0-dev
  - workflowengine: 2.12.0
Disabled:
  - dashboard: 7.10.0 (installed 7.2.0)
  - encryption: 2.18.0 (installed 2.13.0)
  - federation: 1.20.0 (installed 1.17.0)
  - files_external: 1.22.0 (installed 1.4.1)
  - firstrunwizard: 3.0.0 (installed 2.16.0)
  - nextcloud_announcements: 2.0.0 (installed 1.16.0)
  - password_policy: 2.0.0 (installed 1.3.0)
  - privacy: 2.0.0 (installed 1.11.0)
  - recommendations: 3.0.0 (installed 0.7.0)
  - support: 2.0.0 (installed 1.0.0)
  - survey_client: 2.0.0 (installed 1.1.0)
  - suspicious_login: 8.0.0
  - twofactor_nextcloud_notification: 4.0.0
  - twofactor_totp: 12.0.0-dev (installed 2.1.2)
  - user_status: 1.10.0 (installed 1.0.1)
  - weather_status: 1.10.0 (installed 1.4.0)

Nextcloud Signing status

No errors have been found

Nextcloud Logs

{"reqId":"40GbG79HwZdIbowAJcR2","level":3,"time":"2024-12-05T20:30:59+00:00","remoteAddr":"XX.XX.XX.XX","user":"--","app":"index","method":"GET","url":"/index.php/s/8Zj9swuFZr733tD","message":"OCP\\AppFramework\\Http\\Template\\PublicTemplateResponse::setHeaderTitle(): Argument #1 ($title) must be of type string, null given, called in /var/www/html/apps/files_sharing/lib/DefaultPublicShareTemplateProvider.php on line 235 in file '/var/www/html/lib/public/AppFramework/Http/Template/PublicTemplateResponse.php' line 45","userAgent":"Mozilla/5.0 (Linux; Android 12; SAMSUNG SM-A125F/A125FXXS6CXJ5) AppleWebKit/537.36 (KHTML, like Gecko) SamsungBrowser/20.0 Chrome/106.0.5249.126 Mobile Safari/537.36","version":"30.0.3.2","exception":{"Exception":"Exception","Message":"OCP\\AppFramework\\Http\\Template\\PublicTemplateResponse::setHeaderTitle(): Argument #1 ($title) must be of type string, null given, called in /var/www/html/apps/files_sharing/lib/DefaultPublicShareTemplateProvider.php on line 235 in file '/var/www/html/lib/public/AppFramework/Http/Template/PublicTemplateResponse.php' line 45","Code":0,"Trace":[{"file":"/var/www/html/lib/private/AppFramework/App.php","line":161,"function":"dispatch","class":"OC\\AppFramework\\Http\\Dispatcher","type":"->"},{"file":"/var/www/html/lib/private/Route/Router.php","line":302,"function":"main","class":"OC\\AppFramework\\App","type":"::"},{"file":"/var/www/html/lib/base.php","line":1003,"function":"match","class":"OC\\Route\\Router","type":"->"},{"file":"/var/www/html/index.php","line":24,"function":"handleRequest","class":"OC","type":"::"}],"File":"/var/www/html/lib/private/AppFramework/Http/Dispatcher.php","Line":146,"Previous":{"Exception":"TypeError","Message":"OCP\\AppFramework\\Http\\Template\\PublicTemplateResponse::setHeaderTitle(): Argument #1 ($title) must be of type string, null given, called in /var/www/html/apps/files_sharing/lib/DefaultPublicShareTemplateProvider.php on line 235","Code":0,"Trace":[{"file":"/var/www/html/apps/files_sharing/lib/DefaultPublicShareTemplateProvider.php","line":235,"function":"setHeaderTitle","class":"OCP\\AppFramework\\Http\\Template\\PublicTemplateResponse","type":"->"},{"file":"/var/www/html/apps/files_sharing/lib/Controller/ShareController.php","line":308,"function":"renderPage","class":"OCA\\Files_Sharing\\DefaultPublicShareTemplateProvider","type":"->"},{"file":"/var/www/html/lib/private/AppFramework/Http/Dispatcher.php","line":208,"function":"showShare","class":"OCA\\Files_Sharing\\Controller\\ShareController","type":"->"},{"file":"/var/www/html/lib/private/AppFramework/Http/Dispatcher.php","line":114,"function":"executeController","class":"OC\\AppFramework\\Http\\Dispatcher","type":"->"},{"file":"/var/www/html/lib/private/AppFramework/App.php","line":161,"function":"dispatch","class":"OC\\AppFramework\\Http\\Dispatcher","type":"->"},{"file":"/var/www/html/lib/private/Route/Router.php","line":302,"function":"main","class":"OC\\AppFramework\\App","type":"::"},{"file":"/var/www/html/lib/base.php","line":1003,"function":"match","class":"OC\\Route\\Router","type":"->"},{"file":"/var/www/html/index.php","line":24,"function":"handleRequest","class":"OC","type":"::"}],"File":"/var/www/html/lib/public/AppFramework/Http/Template/PublicTemplateResponse.php","Line":45},"message":"OCP\\AppFramework\\Http\\Template\\PublicTemplateResponse::setHeaderTitle(): Argument #1 ($title) must be of type string, null given, called in /var/www/html/apps/files_sharing/lib/DefaultPublicShareTemplateProvider.php on line 235 in file '/var/www/html/lib/public/AppFramework/Http/Template/PublicTemplateResponse.php' line 45","exception":[],"CustomMessage":"OCP\\AppFramework\\Http\\Template\\PublicTemplateResponse::setHeaderTitle(): Argument #1 ($title) must be of type string, null given, called in /var/www/html/apps/files_sharing/lib/DefaultPublicShareTemplateProvider.php on line 235 in file '/var/www/html/lib/public/AppFramework/Http/Template/PublicTemplateResponse.php' line 45"},"id":"67520e1f23ds"}

Additional info

No response

[blizzz]

Possibly a dup of or related to #49548

cc @sorbaugh

[Dennis1993]

Updated to 30.0.4 and the error still exists. It is not possible to use a share with a password. The main functionality is broken...

After the password check of my public share this error is shown:

[Dennis1993]

I fixed the sharing by manipulate the code:

Original code: if($shareTmpl['label'] !== '')

[susnux]

Duplicate of #49548

[susnux]

✅ A fix will be available in next maintenance release 30.0.6
Please open a new issue if you encounter a similar issue after updating to 30.0.6 or later.