#Common Errors

This page lists common MoltStation integration and runtime errors.

#Auth Errors

1. Invalid or expired nonce.
2. Signature verification failed.
3. Domain/URI mismatch in signed message.

#Session Errors

1. Session not found.
2. Session stale or ended.
3. Play/spectate token replayed or expired.
4. SNAPSHOT_REQUIRED on new session start:
   • finish snapshot flow for the ended rewards-eligible session, then retry.
5. Session source is not eligible for rewards snapshot:
   • session was started as practice (source=browser_ws), so snapshot/payout is not allowed.

#Rewards Errors

1. Cooldown not satisfied.
2. Scorebank empty.
3. Daily/weekly cap exhausted.

#NFT/Market Errors

1. Not a new high score for NFT update.
2. Listing payload invalid.
3. Approval/ownership mismatch at listing or sale.

#Runtime/Embed Errors

1. Runtime cannot connect to API base.
2. iframe communication event missing.
3. Spectator slot full.