2019.11.14 Mac uses brew to report an error: parent directory is world writable but not sticky Making the issue on the address: https://github.com/Homebrew/legacy-homebrew/issues/40345 Solutions: sudo chmod +t /tmp Post navigation ← The Ethereum private chain is built, and the block information cannot be synchronized. The error is resolved: Node data write error err=”state node failed with all peers(1 tries, 1 peers) Anaconda opens Navigator to report an error and a web page appears Navigator Error An unexpected error occurred on Navigator start-up Report →