Relations are unable to be removed [Fixed]

[DokterKaj]

So Fate/Ikustella and Fate/EXTRA originally had one relation, "Shared Universe". I then edited this relation to "Spin Off"/"Adapted From". However, it seems like when I edited the relation, it instead added the "Spin Off"/"Adapted From" relation without removing the "Shared Universe" relation. In addition, when editing, Fate/Ikustella shows that its relation to Fate/EXTRA is "Adapted From", but Fate/EXTRA shows that its relation to Fate/Ikustella is just "Shared Universe". Anyway, now I want to revert the relations back to before, but when I tried editing Fate/Ikustella so that its relation to Fate/EXTRA becomes "Shared Universe", it results in an Internal server error. How does the "Shared Universe" relation work and is there anyway to fix this issue?

 

[DokterKaj]

After some more testing, I'm somewhat confident in saying that this seems to occur whenever two mangas have more than one relation and you try to change the current relation to an already-existing relation.

 

[DokterKaj]

Okay so, it seems like relations are just completely unable to be removed, so I've changed the name of this thread.
...To confirm this, I added a new relation between April Fool's Collection 2023 and the official test manga then tried to remove it, and nothing happened... Mods please fix 🙏

 

[Tristan__]

I think it should be noted that they can be removed directly with the DELETE api endpoint (credit to @curiousCheck )

 

[kouyo]

For the record: it should be noted that this is a backend issue, so it's going to take more time than usual to come up with a fix.

 

[kouyo]

Finally fixed on October 22nd 2023 update

Fixed an issue where editing/removing title relations would not work, and instead add duplicate relations

As a side note: it was not a backend issue.