Tutorial demo-chain creation cannont start chain

[magrook]

forge start demo-chain
⠦ Waiting for chain demo-chain to start...
✖ Forge start failed: forge is not started within 40 seconds
✖ Forge cannot be successfully started, now exiting...
ℹ Stopping demo-chain chain...
↗️ Waiting for chain demo-chain to stop...
✖ kill EPERM
✖ cannot get daemon process info, ensure forge is started!

ℹ Possible solutions:
──────────────

1. Cleanup already running forge
   Ensure no running forge process that cannot be detected by forge-cli
   Run: forge stop demo-chain, to stop forge related processes, then try forge start demo-chain again

2. Report bug to our engineer
   It is very likely that forge cannot be started on your environment
   Please run: forge start demo-chain --dry-run
   forge@craig-backbone:~/.forge_chains$ forge start demo-chain --dry-run
   ℹ Command to debug forge starting issue:
   ──────────────
   ERL_AFLAGS="-sname forge-forge-35f42098ce85e6defd749fae791ad32d" FORGE_CONFIG=/home/forge/.forge_chains/forge_demo-chain/forge_release.toml /home/forge/.forge_cli/release/forge/0.38.7/bin/forge start

Referenced in documentation here:

https://www.arcblock.io/en/post/2019/10/06/getting-started-with-forge

[polunzh]

Need to confirm the accuracy doc.