Environment Variable Troubleshooter

Help me troubleshoot environment variable and configuration issues.

**Environment:** {{ENVIRONMENT}}
**Framework/Runtime:** {{FRAMEWORK}}

**How I'm loading env vars:**
```{{LANGUAGE}}
{{LOADING_CODE}}
```

**Expected env var values:**
```
{{EXPECTED_VALUES}}
```

**Actual values received (sanitized):**
```
{{ACTUAL_VALUES}}
```

**.env file content (sanitized):**
```
{{ENV_FILE}}
```

**Error or unexpected behavior:** {{PROBLEM}}

Please provide:
1. **Loading Issue Diagnosis**: Why env vars aren't loading correctly
2. **File Location Check**: Verify .env file location and naming
3. **Syntax Validation**: Check for syntax issues in .env file
4. **Loading Order**: Verify env loading happens before usage
5. **Fixed Configuration**: Corrected loading code
6. **Environment Precedence**: Explain env var precedence rules
7. **Security Check**: Ensure no secrets are exposed
8. **Cross-Environment Tips**: Handle different environments correctly