Parity Ethereum version: v2.3.0-nightly-7f5e6b3a0-20181128/aarch64-linux-gnu/rustc1.30.1 Operating system: Linux Installation: binary Fully synchronized: yes Network: Kovan Restarted: yes Got this error on the archive trace node, then whole instance became inaccessible Dec 03 03:33:24 ip-...