# Joplin upgrade in progress...  error

**URL:** <https://discourse.joplinapp.org/t/joplin-upgrade-in-progress-error/41450>\
**Category:** Support\
**Created:** [19 October 2024 08:56 UTC](https://discourse.joplinapp.org/t/joplin-upgrade-in-progress-error/41450 "2024-10-19T08:56:13Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![flanker](https://avatars.discourse-cdn.com/v4/letter/f/d6d6ee/32.png) [@flanker](https://discourse.joplinapp.org/u/flanker)\
**Post date:** [19 October 2024 08:56 UTC](https://discourse.joplinapp.org/t/joplin-upgrade-in-progress-error/41450/1 "2024-10-19T08:56:13Z")

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### Operating system

Windows

### Joplin version

3.0.15

### Sync target

S3

### Editor

Markdown Editor

### What issue do you have?

Error  
The sync target could not be upgraded due to an error. For support, please copy the complete content of this page and paste it in the forum: [https://discourse.joplinapp.org/](https://discourse.joplinapp.org/)

The full error was:

UnknownError

NoSuchKey: UnknownError  
at throwDefaultError (C:\Users\Octavian\AppData\Local\Programs\Joplin\resources\app.asar\node\_modules@joplin\lib\node\_modules@aws-sdk\smithy-client\dist-cjs\default-error-handler.js:8:22)  
at deserializeAws\_restXmlPutObjectCommandError (C:\Users\Octavian\AppData\Local\Programs\Joplin\resources\app.asar\node\_modules@joplin\lib\node\_modules@aws-sdk\client-s3\dist-cjs\protocols\Aws\_restXml.js:5782:43)  
at process.processTicksAndRejections (node:internal/process/task\_queues:95:5)  
at async C:\Users\Octavian\AppData\Local\Programs\Joplin\resources\app.asar\node\_modules@joplin\lib\node\_modules@aws-sdk\middleware-serde\dist-cjs\deserializerMiddleware.js:7:24  
at async C:\Users\Octavian\AppData\Local\Programs\Joplin\resources\app.asar\node\_modules@joplin\lib\node\_modules@aws-sdk\middleware-signing\dist-cjs\middleware.js:14:20  
at async C:\Users\Octavian\AppData\Local\Programs\Joplin\resources\app.asar\node\_modules@joplin\lib\node\_modules@aws-sdk\middleware-retry\dist-cjs\retryMiddleware.js:27:46  
at async C:\Users\Octavian\AppData\Local\Programs\Joplin\resources\app.asar\node\_modules@joplin\lib\node\_modules@aws-sdk\middleware-flexible-checksums\dist-cjs\flexibleChecksumsMiddleware.js:58:20  
at async C:\Users\Octavian\AppData\Local\Programs\Joplin\resources\app.asar\node\_modules@joplin\lib\node\_modules@aws-sdk\middleware-logger\dist-cjs\loggerMiddleware.js:7:26

---

<div class="post-metadata">

**Author:** ![system](https://canada1.discourse-cdn.com/flex028/uploads/cozic/original/3X/1/c/1c948e33314e232a0927789508474d8624f4270b.png) [@system](https://discourse.joplinapp.org/u/system)\
**Post date:** [18 November 2024 08:56 UTC](https://discourse.joplinapp.org/t/joplin-upgrade-in-progress-error/41450/2 "2024-11-18T08:56:14Z")

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