**Error Message:** ``` Invalid JWT: expired or malformed ``` **Cause:** JWT token has expired or is incorrectly formatted **Solution:** ```bash Check token expiry with supabase.auth.getSession() and call refreshSession() if needed ``` --- **Error Message:** ``` new row violates row-level security policy for table ``` **Cause:** Row Level Security (RLS) policy is blocking the operation **Solution:** Check RLS policies in dashboard or via pg_policies table. Ensure user has required role. --- **...
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# Error Handling Reference
### Invalid JWT
**Error Message:**
```
Invalid JWT: expired or malformed
```
**Cause:** JWT token has expired or is incorrectly formatted
**Solution:**
```bash
Check token expiry with supabase.auth.getSession() and call refreshSession() if needed
```
---
### RLS Policy Violation
**Error Message:**
```
new row violates row-level security policy for table
```
**Cause:** Row Level Security (RLS) policy is blocking the operation
**Solution:**
Check RLS policies in dashboard or via pg_policies table. Ensure user has required role.
---
### Connection Pool Exhausted
**Error Message:**
```
too many clients already
```
**Cause:** Connection pool limit reached due to too many concurrent connections
**Solution:**
```typescript
Use connection pooling mode in Supabase dashboard. Switch to Session mode or pgBouncer.
```
