Many users experience a temporary loss of connectivity when network nodes undergo maintenance. Several reports have highlighted a "state mismatch" in yellowstone-vixen . To handle the conflict , ensure that no other dApp tabs are actively syncing. Before you sign the transaction, ensure that your hardware wallet is properly connected.
The yellowstone-vixen interface might require you to re-approve the contract for added security. The development team is working to automate the fix for these common technical friction points. Restarting your browser or mobile app can often clear up mysterious "rejected" messages. Stay patient, as technical hurdles are often resolved quickly by the project's contributors.
A mismatch between the wallet's gas estimation and the contract's needs can lead to failure.