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Troubleshooting

Nemu-x edited this page Jul 9, 2026 · 1 revision

Troubleshooting

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What error messages mean and what to do. Some messages carry a stable code like [E-20] — that code is the fastest thing to tell your provider's support.

Error codes

Code Message says What actually happened What to do
E-10 server returned an empty response The panel answered, but with nothing in it Try again later; if it persists, contact your provider
E-11 server returned a web page, not a config You got an HTML error / rate-limit page instead of YAML Wait a minute and retry; check the link is the subscription URL, not the dashboard page
E-20 couldn't reach the subscription server DNS/TLS/connect failed — network problem or the host is blocked Check your connection; try another network; the panel's domain may be blocked in your region
E-30 subscription is age-encrypted, key missing or wrong The body is encrypted and the app has no (or a wrong) decryption key Import the full link from your dashboard (it carries the key after #), or set Profile properties → Age secret key. See Encrypted Subscriptions

Common situations

Import succeeds, but nothing works after connecting

The most common cause: the subscription pulls its rule lists through a proxy (proxy: field in rule-providers) and that proxy node is down or unreachable. The app connects, but the rules stay empty and traffic goes nowhere.

  • Open Logs and look for lines like initial rule provider … error or dial … i/o timeout — the address in the dial line tells you which node couldn't be reached.
  • Pick a different node / check with your provider that the server is up, then reconnect.

“Run timed out” right after adding a subscription

Same family as above: a rule source couldn't be downloaded in time (blocked host or a dead node in the middle). The subscription itself downloaded fine. Reconnect once the node is reachable — rule sources also retry in the background.

The engine rejected this configuration

The subscription's YAML is genuinely invalid (the message quotes the exact reason, e.g. proxy 'X' not found). This is a problem in the config your panel serves — forward the message to your provider.

Quota / expiry on the profile card looks stale

Usage numbers come from the same download as the config. Pull-to-refresh the profile; if the panel doesn't send subscription-userinfo, the previous numbers are kept rather than zeroed.

Reading Logs

Logs (in the app) shows the engine's own messages. When reporting a problem, a screenshot of the seconds around connect/import is worth more than any description:

  • [TCP] dial <group> … error: <ip>:<port> … i/o timeout — the node <ip> is unreachable
  • initial rule provider <name> error — a rule list failed to download
  • decrypt config error / [E-30] — encryption key missing or wrong

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