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Bug description
Getting a free emerald without spending any paper

Steps to reproduce the issue

1. Get a librarian villager and 24 paper
2. Select the paper for emerald trade
3. Don't buy it, just refresh the page, until the paper trade dissapears
4. Click on the emerald and the paper won't dissapear

Expected behavior
The trade should either put the paper back in the inventory of the player before refreshing or the emerald should dissapear

Log files

Versions

• 1.16.5
• 36.2.23
• 1.16.5 1.0.11

Screenshots (Optional)

Haven't tried with other villagers but im guessing its the same as well

Thank you for reporting this issue!
It should be fixed in the next version.