# Troubleshooting — Gnomad Webcanvas Quick fixes for common issues. For full usage, see [USER_GUIDE.md](USER_GUIDE.md). --- ## Editor & preview | Symptom | Likely cause | Fix | |---------|--------------|-----| | Preview not updating | Preview paused | Click **Refresh** or unpause in navbar | | Preview blank after edit | JS error in user code | Open console panel (`Ctrl/Cmd+Shift+C`); fix script | | Preview stale | Debounce delay | Press `Ctrl/Cmd+Enter` to force refresh | | Monaco not loading | Network blocked CDN | Check connectivity; Monaco loads from CDN in dev | | Layout panels stuck | Maximized pane | Double-click pane header to restore | | Font pairing not applied | No pairing selected | Choose a pairing in floating tools bar | --- ## Projects & persistence | Symptom | Likely cause | Fix | |---------|--------------|-----| | Work lost on refresh (web) | Private/incognito mode | Use normal browsing; localStorage disabled in private mode | | "Quota exceeded" silent fail | localStorage full | Export ZIP; delete old projects | | Wrong project loads | URL hash present | Clear hash from URL or use Share intentionally | | Legacy data not migrated | Already migrated once | Check Projects menu for saved projects | --- ## Desktop file operations | Symptom | Likely cause | Fix | |---------|--------------|-----| | Open does nothing | Cancelled dialog or not desktop | Use `Ctrl/Cmd+O`; ensure Tauri build not web tab | | Save writes empty file | Race before hydration | Wait for editor to load; try again | | CSS/JS missing after Open | Non-standard HTML structure | Ensure `