Upload file: Target folder does not exist anymore

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The Basics

  • Nextcloud Server version (e.g., 29.x.x):
    • 32.0.3
  • Operating system and version (e.g., Ubuntu 24.04):
    • linux 4.18.0-553.45.1.lve.el8.x86_64
  • Web server and version (e.g, Apache 2.4.25):
    • apache 2.4.66
  • Reverse proxy and version _(e.g. nginx 1.27.2)
    • replace me
  • PHP version (e.g, 8.3):
    • 8.4
  • Is this the first time you’ve seen this error? (Yes / No):
    • Yes
  • When did this problem seem to first start?
    • Today Jan 10, 2026
  • Installation method (e.g. AlO, NCP, Bare Metal/Archive, etc.)
    • Softaculous installer on a namecheap shared hosting
  • Are you using CloudfIare, mod_security, or similar? (Yes / No)
    • Not sure

Summary of the issue you are facing:

Installed nextcloud over a month ago, and was able to upload many files/folders. I’m using the collabora demo version to live edit documents and that works for all the existing files on nextcloud.

Today, I tried New → Upload files to upload a .docx and also an .xslx file and I repeatedly get the error “Unknown error during upload” and “Target folder does not exist anymore”. Not sure why because the target folder is right there.

Not sure if it’s related, but if i try to just create a new file on the server, it keeps telling me that file in storage has changed, and asks me to overwrite, discard etc.

Steps to replicate it (hint: details matter!):

  1. New → upload files

  2. choose my .docx or .xlsx file

  3. click upload

Log entries

Nextcloud

Please provide the log entries from your Nextcloud log that are generated during the time of problem (via the Copy raw option from Administration settings->Logging screen or from your nextcloud.log located in your data directory). Feel free to use a pastebin/gist service if necessary.

{"file":"/home/itsalscu/public_html/collapse/lib/private/Route/Router.php","line":321,"function":"main","class":"OC\\AppFramework\\App","type":"::"},{"file":"/home/itsalscu/public_html/collapse/lib/base.php","line":1061,"function":"match","class":"OC\\Route\\Router","type":"->"},{"file":"/home/itsalscu/public_html/collapse/index.php","line":25,"function":"handleRequest","class":"OC","type":"::"}],"File":"/home/itsalscu/public_html/collapse/apps/richdocuments/lib/Service/ProofKeyService.php","Line":30},"message":"Uncaught error: OCA\\Richdocuments\\Service\\ProofKeyService::isProofValid(): Argument #1 ($accessToken) must be of type string, null given, called in /home/itsalscu/public_html/collapse/apps/richdocuments/lib/Middleware/WOPIMiddleware.php on line 97 in file '/home/itsalscu/public_html/collapse/apps/richdocuments/lib/Service/ProofKeyService.php' line 30","exception":{},"CustomMessage":"Uncaught error: OCA\\Richdocuments\\Service\\ProofKeyService::isProofValid(): Argument #1 ($accessToken) must be of type string, null given, called in /home/itsalscu/public_html/collapse/apps/richdocuments/lib/Middleware/WOPIMiddleware.php on line 97 in file '/home/itsalscu/public_html/collapse/apps/richdocuments/lib/Service/ProofKeyService.php' line 30"}}