function validateAddon(addonId) if(addonId === 1211 && typeof top === 'undefined') throw new Error("meteor rejects addon 1211 top");
# Stop any running meteor instance meteor reset rm -rf .meteor/local rm -rf node_modules/.cache Reinstall dependencies meteor npm install Rebuild meteor run
Replace it with:
Share the details in the comments below—our community troubleshoots Meteor errors daily.
For game clients: Delete the cache folder inside your Meteor launcher directory (usually %appdata%/.meteorlauncher/cache on Windows or ~/.meteorlauncher/cache on Linux/Mac). The addon itself may be corrupted.
// Fix for window.top access if (window.top !== window.self) // Allow addon 1211 to access top only if same origin try window.top.document; catch (e) console.warn("Meteor rejects addon 1211 top: cross-origin frame blocked"); // Re-initialize addon in local context initAddon1211Locally();