All shared files: "Can not decrypt this file, probably this is a shared file."

No errors have been found.

Enabled:
  - accessibility: 1.6.0
  - activity: 2.13.4
  - admin_audit: 1.10.0
  - apporder: 0.13.0
  - bruteforcesettings: 2.2.0
  - calendar: 2.3.2
  - cloud_federation_api: 1.3.0
  - comments: 1.10.0
  - contacts: 4.0.1
  - contactsinteraction: 1.1.0
  - dashboard: 7.0.0
  - dav: 1.16.2
  - drop_account: 1.0.2
  - encryption: 2.8.1
  - external: 3.7.3
  - federatedfilesharing: 1.10.2
  - federation: 1.10.1
  - files: 1.15.0
  - files_pdfviewer: 2.0.1
  - files_rightclick: 0.17.0
  - files_sharing: 1.12.2
  - files_trashbin: 1.10.1
  - files_videoplayer: 1.9.0
  - logreader: 2.5.0
  - lookup_server_connector: 1.8.0
  - mail: 1.6.0
  - notes: 4.0.4
  - notifications: 2.8.0
  - oauth2: 1.8.0
  - password_policy: 1.10.1
  - photos: 1.2.3
  - provisioning_api: 1.10.0
  - quota_warning: 1.9.1
  - recommendations: 0.8.0
  - serverinfo: 1.10.0
  - settings: 1.2.0
  - sharebymail: 1.10.0
  - tasks: 0.14.1
  - text: 3.1.0
  - theming: 1.11.0
  - twofactor_backupcodes: 1.9.0
  - twofactor_totp: 5.0.0
  - updatenotification: 1.10.0
  - user_status: 1.0.1
  - viewer: 1.4.0
  - weather_status: 1.0.0
  - workflowengine: 2.2.0

{
    "system": {
        "instanceid": "***REMOVED SENSITIVE VALUE***",
        "passwordsalt": "***REMOVED SENSITIVE VALUE***",
        "datadirectory": "***REMOVED SENSITIVE VALUE***",
        "dbtype": "mysql",
        "version": "20.0.12.1",
        "dbname": "***REMOVED SENSITIVE VALUE***",
        "dbhost": "***REMOVED SENSITIVE VALUE***",
        "dbtableprefix": "oc_",
        "dbuser": "***REMOVED SENSITIVE VALUE***",
        "dbpassword": "***REMOVED SENSITIVE VALUE***",
        "installed": true,
        "forcessl": true,
        "enable_avatars": false,
        "mail_domain": "***REMOVED SENSITIVE VALUE***",
        "mail_smtpmode": "smtp",
        "log_authfailip": true,
        "loglevel": 2,
        "maintenance": false,
        "customclient_desktop": "https:\/\/***REMOVED SENSITIVE VALUE***\/en\/downloads",
        "trusted_domains": [
            "***REMOVED SENSITIVE VALUE***"
        ],
        "share_folder": "\/Shared",
        "overwritewebroot": "\/",
        "overwriteprotocol": "https",
        "secret": "***REMOVED SENSITIVE VALUE***",
        "singleuser": false,
        "memcache.local": "\\OC\\Memcache\\APCu",
        "trashbin_retention_obligation": "auto,30",
        "activity_expire_days": 14,
        "logtimezone": "Europe\/Zurich",
        "log_type": "errorlog",
        "skeletondirectory": "\/var\/www\/nextcloud\/themes\/core\/skeleton",
        "overwrite.cli.url": "https:\/\/***REMOVED SENSITIVE VALUE***",
        "mail_from_address": "***REMOVED SENSITIVE VALUE***",
        "mail_smtpauthtype": "LOGIN",
        "preview_max_scale_factor": 1,
        "preview_max_filesize_image": 2,
        "preview_max_x": 1024,
        "preview_max_y": 1024,
        "mysql.utf8mb4": true,
        "app_install_overwrite": [
            "drop_account"
        ],
        "encryption.legacy_format_support": true,
        "encryption.key_storage_migrated": false
    },

no errors

[error] 25168#25168: *43072837 FastCGI sent in stderr: "PHP message: [owncloud][no app in context][3] Can not decrypt this file, probably this is a shared file. Please ask the file owner to reshare the file with you.
PHP message: [owncloud][no app in context][3] {"Exception":"OC\\Encryption\\Exceptions\\DecryptionFailedException","Message":"Can not decrypt this file, probably this is a shared file. Please ask the file owner to reshare the file with you.","Code":0,"Trace":[{"file":"/var/www/nextcloud/lib/private/Files/Stream/Encryption.php","line":501,"function":"decrypt","class":"OCA\\Encryption\\Crypto\\Encryption","type":"->","args":["*** sensitive parameters replaced ***"]},{"file":"/var/www/nextcloud/lib/private/Files/Stream/Encryption.php","line":299,"function":"readCache","class":"OC\\Files\\Stream\\Encryption","type":"->","args":[]},{"function":"stream_read","class":"OC\\Files\\Stream\\Encryption","type":"->","args":[8192]},{"file":"/var/www/nextcloud/3rdparty/icewind/streams/src/Wrapper.php","line":91,"function":"fread","args":[null,8192]},{"file":"/var/www/nextcloud/3rdparty/icewind/streams/src/CallbackWrapper.php","line":98,"function":"stream_read","class":"Icewind\\Streams\\Wrapper","type":"->","args":[8192" while reading response header from upstream, client: ***REMOVED SENSITIVE VALUE***, server: ***REMOVED SENSITIVE VALUE***, request: "GET /s/RSGxCLoYfeTQSBy/download?path=%2F&files=document.pdf HTTP/2.0", upstream: "fastcgi://unix:/var/run/php-fpm.sock:", host: "***REMOVED SENSITIVE VALUE***"

Content Security Policy: The page’s settings blocked the loading of a resource at inline (“script-src”). 2 utils.js:35:9
Content Security Policy: The page’s settings blocked the loading of a resource at eval (“script-src”). global.js:10:10
Please do NOT wait for the DOMContentLoaded before registering your viewer handler Viewer.vue:217
[ERROR] Files_PDFViewer: But this does not appear to be a public page 
Object { app: "Files_PDFViewer" }
ConsoleLogger.js:54:18
Content Security Policy: The page’s settings blocked the loading of a resource at inline (“script-src”). utils.js:35:9
Content Security Policy: The page’s settings blocked the loading of a resource at inline (“script-src”). utils.js:35:9
Uncaught (in promise) Error: Invalid or corrupted PDF file.
    _callee7$/</< app.js:817
app.js:817:16