Uncaught Error: Minified React error #31; visit Minified React error #31 – React for the full message or use the non-minified dev environment for full errors and additional helpful warnings.
how to fix this, iit always giive same error
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Check the imports in the index.html file. There’s a chance that it mixed React 18 with React 19 in there. This error tends to cause various annoying errors.
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yes but fix severral times still there
Close Antigravity / the IDE fully (also check the system tray and Task Manager to make sure it’s not still running).
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Open File Explorer and paste this into the address bar:
C:\Users\{YourUser}\.gemini\antigravity\conversations -
Sort by “Date modified” (newest first).
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Create a folder next to it called something like
_quarantine(orconversations_backup). -
Move the newest conversation folder into
_quarantine(don’t delete it). -
Reopen the IDE.
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If Antigravity works, that moved conversation was the issue.
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If it still crashes, close the IDE again and repeat steps 4–5 with the next newest conversation.
Why this works: one conversation can end up in a bad state and crash the UI. Moving them out one-by-one lets you isolate the problematic one.
After you find it, you can move the other conversations back from _quarantine so you don’t lose anything (except the corrupted conversation).
Minified React error #308; visit Minified React error #308 – React for the full message or use the non-minified dev environment for full errors and additional helpful warnings. I’m having this on Pinterest, it wont let me change the name on a board or section i get this message. And it doubling the items I save and if i delete one it deletes both copies.