I've been seeing this happen for a couple of days, and while it's annoying, it hasn't been causing me much grief yet, although before I just went back to the quests from another page, I would buy a second copy of the items just to make sure I had 'em...

What happens is sometimes when I click the "Finish Quest" button, I'll get a "Oh-no! You don't have all the items for this quest!" but I know I do, so I try to go back to the quest page again and click the "Finish Quest" button and get the "Oh, no! You aren't on a quest!" message, but I do get the items/sP for them.

Another issue with the quests is that sometimes when I'm starting them up, I'll get an "Error Starting Quest" error message, though a refresh clears that.

Finally, when I'm doing the quick stock for my shop, I'll get the error message "Oh, no! One or more items don't belong to you!" message but will find that they're in the shop.

I don't know if these are counting my single click as multiples, but it's really annoying. Well, that and the Calvin Blackmoon error messages when I'm either doing the searching or completing a quest that is. Hope these can be fixed soon.

Using the updated Chrome as well, in case anyone needs to know what browser I'm using.

I find the "Oh, No! You aren't on a quest" message a lot.

Ugh I've gotten the dumb 'Oh no you don't have all the items before' and then after hitting back - and seeing the lineup of items I need - I end up re-buying the items I needed for the quest and trying to click finish again when I get the 'You're not on a quest' message. :I It doesn't happen too often but it's rather annoying when it does happen.

I'm surprised they haven't looked into this, if you know what I mean.

I get the "You don't have all the items" message sometimes, but usually only if I click Finish before all my tabs are finished buying my items. I just glance at my tabs to make sure they have a shop name instead of Shop Search in them, and refresh.