"Expected 207 multi-status, got 200" appears when one attempts to create a list in a Vikunja CalDAV account, via an external client

RokeJulianLockhart · 28 October 2025 18:33

When attempting to bypass:

…I discovered:

[Bug] "Expected 207 multi-status, got 200" appears when one attempts to create a list in a Vikunja CalDAV account.

opened 05:50PM - 28 Oct 25 UTC

#### How To Reproduce 1. Create credentials at [`app.vikunja.cloud/user/setting…s/caldav`](https://app.vikunja.cloud/user/settings/caldav#app:~:text=API%20Tokens-,CalDAV,-You%20can%20connect). 1. Add a CalDAV account in `org.tasks`: [^5] [^5]: [`community.vikunja.io/t/4139`](https://community.vikunja.io/t/expected-207-multi-status-got-200-appears-when-one-attempts-to-create-a-list-in-a-vikunja-caldav-account-via-an-external-client/4139?u=rokejulianlockhart) 1. Enter the generated token as the password. 1. Enter the username as the username. 1. Enter the URI, including the appended username, as the URI. 1. Save. 1. Attempt to create a new list in `org.tasks`' GUI. #### The problem A toast renders, [^1] which states: [^4] [^4]: [`linux.codidact.com/posts/294865/history#3`](https://linux.codidact.com/posts/294865/history#3:~:text=Similarly%2C%20acquiring%20diagnostic%20data%20for%20situations%20like%20%5B%60github.com/tasks/tasks/issues/3952%60%5D(https://github.com/tasks/tasks/issues/3952%23issue%2D3562709063)'s%20would%20be%20easier%2C%20because%20%60dumpsys%60%20doesn't%20include%20toast%20information%2C%20due%20to%20its%20ephemerality) <p></p> <img width="1067" height="727" alt="Image" src="https://github.com/user-attachments/assets/03818e5b-4e00-4819-8d88-32b68cfa7a48" /> <p></p> [^1]: [`stackoverflow.com/review/suggested-edits/37030014`](https://stackoverflow.com/review/suggested-edits/37030014#:~:text=It's%20called-,%5Ba%20'Toast'%5D(https://developer.android.com/guide/topics/ui/notifiers/toasts),-%2C%20and%20you) #### Conducted Diagnosis I have uploaded a `.PCAP`of it reproducing, filtered to `org.tasks`, [^3] at [`drive.google.com/drive/folders/1w0SNJsyi3q__h1-5U5SLmmGT_Tq40E3d`](https://drive.google.com/drive/folders/1w0SNJsyi3q__h1-5U5SLmmGT_Tq40E3d?usp=drive_link). You shall need to notify me if you want acces to it. [^2] [^2]: [`bitfireAT/davx5-ose/discussions/1771`](https://github.com/bitfireAT/davx5-ose/discussions/1771#discussion-9055619) [^3]: [`android.stackexchange.com/posts/247052/timeline#comment_356763`](https://android.stackexchange.com/posts/247052/timeline#comment_356763:~:text=in%20the%20PCAPdroid%20main%20screen%2C%20tap%20on%20the%20%22Target%20apps%22%20toggle%2C%20then%20you%20can%20select%20the%20specific%20apps%20to%20monitor) #### My Environment 1. #### Involved Applications <blockquote> ~~~ini sourcePackage=org.tasks versionName=14.8.3 versionCode=140818 ~~~ </blockquote> Additionally, potentially: <blockquote> ~~~ini sourcePackage=at.bitfire.davdroid versionName=4.5.4-ose versionCode=405040005 ~~~ </blockquote> However, the account was added via `org.tasks`' GUI. 1. #### The OS <blockquote> ~~~YAML [ro.build.version.release]: [15] [ro.build.display.id]: [FP5.VT2E.C.059.20250908] ~~~ </blockquote> 1. #### The Device <blockquote> ~~~YAML [ro.product.brand]: [Fairphone] [ro.build.product]: [FP5] ~~~ </blockquote>

Am I adding the account correctly (a fault of the third-party client), or is this a bug in Vikunja?

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"Expected 207 multi-status, got 200" appears when one attempts to create a list in a Vikunja CalDAV account, via an external client

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