My world called ''don't bank on it'' started to lag but then froze so I exited out of it then went back into it and it was not in the worlds menu. The world I lost had close to 500 MB and I started it a year ago. It would mean everything to me if I knew how to get it back.
Linked issues
Comments

Thank you for your report!
We're tracking this issue in MC-115237, so this ticket is being resolved and linked as a duplicate.
If you would like to add a vote and any extra information to the main ticket it would be appreciated.
If you haven't already, you might like to make use of the search feature to see if the issue has already been mentioned.
Quick Links:
📓 Issue Guidelines – 💬 Community Support – 📧 Customer Support – ✍️ Feedback and Suggestions – 📖 Game Wiki
-- I am a bot. This action was performed automagically! Please report any issues in Discord or Reddit