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Skill 147 · Build Zoom Video SDK App
Subchapter 147.8
references/troubleshooting.mdMarkdown2 KBView on GitHub
Troubleshooting guide for Video SDK across all platforms.
| Error | Possible Cause | Solution |
|---|---|---|
| Invalid signature | JWT malformed or expired | Regenerate signature server-side |
| Session not found | Topic mismatch | Verify topic matches exactly |
| Auth failed | Invalid SDK credentials | Check SDK Key/Secret |
Note: Error code 0 often means success - check the SDK enum values.
| Issue | Possible Cause | Solution |
|---|---|---|
| Black screen | Permission denied | Request camera permission |
| Video not starting | Camera in use | Close other apps using camera |
| Poor quality | Bandwidth limited | Check network connection |
| Issue | Possible Cause | Solution |
|---|---|---|
| Can’t hear others | Audio not started | Call startAudio() |
| Others can’t hear me | Microphone permission | Request mic permission |
| Echo | Speaker feedback | Use headphones |
| Issue | Possible Cause | Solution |
|---|---|---|
| SharedArrayBuffer error | Missing headers | Add COOP/COEP headers |
| WebRTC issues | Browser incompatibility | Check browser support |
| Performance issues | Too many video streams | Reduce participants or resolution |
See SDK Logs & Troubleshooting (opens in a new tab) for log collection.