Trying to upload contract to node via cli but occur error.
# Run contract-node
./target/release/substrate-contracts-node --dev --tmp --ws-external --rpc-cors all
# build contract
cargo contract new flipper
cd flipper
cargo contract build --release
# upload contract
cargo contract upload --suri //Alice
>>> ERROR: Metadata: Node metadata is not fully compatible
Caused by:
Node metadata is not fully compatible
>>> ERROR tokio-runtime-worker jsonrpsee_server::transport::ws: WS transport error: i/o error: Transport endpoint is not connected (os error 107); terminate connection: 5
substrate-contracts-node
running in the background?