[Bug]: Error: Undefined array key "size" at /var/www/nextcloud/apps/files_external/lib/Lib/Storage/SFTP.php#460

[ghost]

⚠️ 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 (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

Error: Undefined array key "size" at /var/www/nextcloud/apps/files_external/lib/Lib/Storage/SFTP.php#460

Error: Undefined array key "mtime" at /var/www/nextcloud/apps/files_external/lib/Lib/Storage/SFTP.php#459

Steps to reproduce

1.Added SFTP External Site
2.
3.

Expected behavior

NA

Installation method

Manual installation

Operating system

Debian/Ubuntu

PHP engine version

PHP 8.0

Web server

Apache (supported)

Database engine version

MariaDB

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

Fresh Nextcloud Server install

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": [
            "cloud.next.org"
        ],
        "datadirectory": "***REMOVED SENSITIVE VALUE***",
        "dbtype": "mysql",
        "version": "23.0.3.2",
        "overwrite.cli.url": "https:\/\/cloud.next.org",
        "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,
        "memcache.local": "\\OC\\Memcache\\APCu",
        "memcache.distributed": "\\OC\\Memcache\\Redis",
        "memcache.locking": "\\OC\\Memcache\\Redis",
        "redis": {
            "host": "***REMOVED SENSITIVE VALUE***",
            "port": 6379
        },
        "default_phone_region": "US",
        "mail_from_address": "***REMOVED SENSITIVE VALUE***",
        "mail_smtpmode": "smtp",
        "mail_sendmailmode": "smtp",
        "mail_domain": "***REMOVED SENSITIVE VALUE***",
        "mail_smtphost": "***REMOVED SENSITIVE VALUE***",
        "mail_smtpport": "25",
        "skeletondirectory": "\/var\/skeleton",
        "simpleSignUpLink.shown": false,
        "trashbin_retention_obligation": "auto,30",
        "versions_retention_obligation": "auto,1",
        "allow_local_remote_servers": true,
        "preview_max_memory": 1280,
        "ldapProviderFactory": "OCA\\User_LDAP\\LDAPProviderFactory",
        "twofactor_enforced": "true",
        "twofactor_enforced_groups": [],
        "twofactor_enforced_excluded_groups": []
    }
}

List of activated Apps

- accessibility: 1.9.0
  - activity: 2.15.0
  - admin_audit: 1.13.0
  - bruteforcesettings: 2.3.0
  - circles: 23.1.0
  - cloud_federation_api: 1.6.0
  - comments: 1.13.0
  - contactsinteraction: 1.4.0
  - dashboard: 7.3.0
  - dav: 1.21.0
  - federatedfilesharing: 1.13.0
  - federation: 1.13.0
  - files: 1.18.0
  - files_external: 1.15.0
  - files_pdfviewer: 2.4.0
  - files_rightclick: 1.2.0
  - files_sharing: 1.15.0
  - files_trashbin: 1.13.0
  - files_versions: 1.16.0
  - files_videoplayer: 1.12.0
  - firstrunwizard: 2.12.0
  - groupfolders: 11.1.2
  - impersonate: 1.10.0
  - logreader: 2.8.0
  - lookup_server_connector: 1.11.0
  - nextcloud_announcements: 1.12.0
  - notifications: 2.11.1
  - oauth2: 1.11.0
  - officeonline: 1.1.3
  - password_policy: 1.13.0
  - photos: 1.5.0
  - privacy: 1.7.0
  - provisioning_api: 1.13.0
  - recommendations: 1.2.0
  - serverinfo: 1.13.0
  - settings: 1.5.0
  - sharebymail: 1.13.0
  - spreed: 13.0.4
  - support: 1.6.0
  - survey_client: 1.11.0
  - suspicious_login: 4.1.0
  - systemtags: 1.13.0
  - text: 3.4.1
  - theming: 1.14.0
  - twofactor_admin: 3.2.0
  - twofactor_backupcodes: 1.12.0
  - twofactor_email: 2.1.1
  - twofactor_totp: 6.2.0
  - updatenotification: 1.13.0
  - user_ldap: 1.13.1
  - user_status: 1.3.1
  - viewer: 1.7.0
  - weather_status: 1.3.0
  - workflowengine: 2.5.0
Disabled:
  - encryption

Nextcloud Signing status

No response

Nextcloud Logs

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Additional info

No response

[ghost]

https://help.nextcloud.com/t/sftp-external-storage-errors/53073

[ghost]

Still an issue NC25.0.3

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[warioishere]

Exactly the same issue here. Running synology NAS here as sftp source. Log is full of this error
I am on nc 27.0.1
Apache
Php fpm 8.1