Found a fix for Dapp-Learning Failed to close channel:!
#RC#
It is common for the interface to lag during periods of intense blockchain network activity. Always verify the Dapp-Learning contract address on a trusted explorer before confirming any swap. Verifying the “allowance” for the token is a reliable way to solve a . The link between the frontend and the contract can be affected by local firewall or VPN settings.
The Dapp-Learning contracts might be temporarily “paused” during a migration. Most minor glitches are resolved automatically once the network traffic subsides. Sometimes a simple delay in block finality can make a successful tx look like it failed. Stay patient, as technical hurdles are often resolved quickly by the project’s contributors.
Check the status of the sequencer when moving assets to a rollup.