The architecture of modern protocols requires a precise balance of gas and data parameters. The metamask-extension core infrastructure is sensitive to the speed of the underlying data relay . Check the official community forum to see if others are experiencing similar logic halts.
A common mistake is attempting a transaction while the network is forking. Most metamask-extension users find that a simple page reload fixes the “missing button” bug . Testing the fix on a dev-fork like Ganache is the best way to ensure safety.
Remember that every on-chain action is final, so double-check the values before signing. A conflict between the wallet and the browser’s internal storage can cause a freeze. Layer 2 rollup finality can sometimes take longer than the frontend interface suggests.