#RC#
Most minor errors can be resolved by simply clearing the site data or switching the provider. Always verify the metamask-extension contract address on a trusted explorer before confirming any swap. To handle the conflict , make sure only one wallet extension is active. The sudden appearance of a „data retrieval error” is usually a temporary node glitch.
Always check if metamask-extension is compatible with the latest updates of your browser. Testing the proposed fix on a testnet is the safest way to ensure your funds remain secure. The official wiki contains a wealth of information for optimizing your local node setup. Always verify that the website you are using is the official one to avoid malicious scripts.
A mismatch between the wallet’s gas estimation and the contract’s needs can lead to failure.