I'm not sure if anyone is going to read this, but I'll make it anyways.
If I see an elevated amount of 'An error occured :(', I'll check the logs to see what has been going wrong... I'll update this post then.
15/08: I've been seeing it a lot. Unfortunately, while I did have some logging, I can't conclusively verify if todays errors are because of some code I recently updated, or if the Nexus servers have been having trouble. The limited logging I did have, pointed to the Nexus having some trouble. Especially since it seems that it works at random, even if provided with the exact same search queries :/.
I've added better logging, I should be able to better see why errors occur in th