Anki Deck Is Not Opening

abdo · December 15, 2025, 7:10am

There are open issues for improving this:

Improve invalid FSRS params message

opened 11:15AM - 14 Oct 24 UTC

This request is basically for future-proofing because saving deck options with i…nvalid parameters isn't possible. <hr> As David said, we need a reasonable solution to handle the following cases - AnkiDroid > Anki Desktop AnkiDroid auto-updates and the user does not want to update Anki due to addon compat. Anki Desktop is broken - AnkiDroid < Anki Desktop A user does not want to/cannot update AnkiDroid (e.g. due to regressions, or their device no longer being supported). AnkiDroid is broken To be fair, we can replace AnkiDroid with AnkiMobile here and the arguments remain valid. So, it is truly an ecosystem compatibility issue. The main issue is the UX > The current error provides the user neither explanation nor context (what is a parameter), nor action to take to fix the issue > > <img width=300 src="https://github.com/user-attachments/assets/ee346fd3-6c38-4ab7-b039-33cc9b836a93"> Though I am happy with the solution that Damien proposed in https://github.com/ankidroid/Anki-Android/issues/17236#issuecomment-2408394699, David (and I) think that we should go a step ahead to make the UX better. ### Proposed solution: If the user has invalid parameters, the error message in the reviewer should have a button to optimize the parameters.

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"invalid params provided" everytime I click on a deck Help	1	15	March 4, 2026
Keep getting error "invalid params provided" Help	2	34	October 20, 2025
Miscommunication between the frontend (user interface) and backend (data logic) Help	3	46	August 28, 2025
Anki Encountered a problem window, not allowing me to continue doing anki Help	8	160	October 6, 2025
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Anki Deck Is Not Opening

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