Troubleshooting Common Issues

# Troubleshooting Common Issues This comprehensive guide covers the most frequently encountered issues with Tax2Cargo and provides step-by-step solutions to resolve them quickly and efficiently. ## Login and Authentication Issues ### Problem: Cannot Log In to Account **Symptoms:** - Login credentials not recognized - Account locked or suspended - Two-factor authentication not working **Solutions:** 1. **Verify Credentials** - Double-check username and password - Ensure Caps Lock is not enabled - Try resetting your password 2. **Account Status** - Check if account is active - Verify email confirmation - Contact support if account appears locked 3. **Two-Factor Authentication** - Ensure authenticator app is synced - Check device time settings - Use backup codes if available ### Problem: Session Timeouts **Symptoms:** - Frequent logouts during work - "Session expired" messages - Loss of unsaved work **Solutions:** - Enable "Remember Me" option - Increase browser session timeout - Save work frequently - Use supported browsers ## Declaration Submission Issues ### Problem: Form Validation Errors **Common Validation Issues:** 1. **Missing Required Fields** - Review form for highlighted fields - Check all mandatory sections - Verify data completeness 2. **Invalid Data Formats** - Ensure dates are in correct format - Check numeric values for decimals - Verify currency codes 3. **Business Logic Errors** - Confirm HS codes are valid - Check country codes - Verify commodity descriptions **Resolution Steps:** 1. Review error messages carefully 2. Correct highlighted fields 3. Re-validate the form 4. Resubmit if all errors are resolved ### Problem: HMRC Connection Issues **Symptoms:** - "Unable to connect to HMRC" errors - Submission timeouts - Network connectivity problems **Troubleshooting Steps:** 1. **Check Internet Connection** - Test other websites - Verify firewall settings - Check proxy configurations 2. **HMRC System Status** - Check HMRC service status - Verify maintenance windows - Wait for system recovery 3. **Browser Issues** - Clear browser cache - Disable browser extensions - Try different browser ## Data Import and Export Issues ### Problem: File Upload Failures **Common Causes:** - File size too large - Unsupported file format - Corrupted file data - Network interruption **Solutions:** - Check file size limits (usually 10MB) - Use supported formats (CSV, Excel, XML) - Verify file integrity - Try uploading in smaller batches ### Problem: Data Mapping Errors **Symptoms:** - Incorrect field mappings - Missing data in submissions - Duplicate entries **Resolution:** 1. Review import template 2. Check column headers 3. Verify data types 4. Test with small sample first ## Performance and Speed Issues ### Problem: Slow Loading Times **Possible Causes:** - Large datasets - Network latency - Browser performance - Server load **Optimization Tips:** - Use data filters - Limit result sets - Clear browser cache - Close unnecessary tabs ### Problem: System Timeouts **Solutions:** - Break large operations into smaller chunks - Use bulk operations during off-peak hours - Contact support for performance optimization - Consider upgrading to higher service tier ## Integration and API Issues ### Problem: API Authentication Failures **Common Issues:** - Invalid API keys - Expired tokens - Incorrect endpoint URLs - Rate limiting **Resolution:** 1. Verify API credentials 2. Check token expiration 3. Confirm endpoint URLs 4. Implement proper rate limiting ### Problem: Data Synchronization Issues **Symptoms:** - Outdated information - Missing updates - Duplicate records **Solutions:** - Check sync schedules - Verify data sources - Review sync logs - Manual sync if needed ## Browser and Compatibility Issues ### Supported Browsers **Recommended Browsers:** - Chrome (latest version) - Firefox (latest version) - Safari (latest version) - Edge (latest version) **Browser-Specific Issues:** 1. **Internet Explorer** - Not supported - Use modern browser instead 2. **Mobile Browsers** - Limited functionality - Use desktop version for full features 3. **Browser Extensions** - May interfere with functionality - Disable if experiencing issues ## Getting Additional Help ### Self-Service Resources 1. **Knowledge Base** - Search for specific topics - Browse by category - Check recent updates 2. **Video Tutorials** - Step-by-step guides - Feature demonstrations - Best practices 3. **Community Forums** - User discussions - Peer support - Feature requests ### Contacting Support **When to Contact Support:** - Issue not resolved by self-help - System errors or bugs - Feature requests - Account-specific problems **Information to Provide:** - Detailed error messages - Steps to reproduce issue - Browser and system information - Screenshots if applicable **Support Channels:** - Email: support@tax2cargo.com - Phone: Available during business hours - Live chat: On our website - Support tickets: Through your account ## Prevention Tips ### Best Practices 1. **Regular Maintenance** - Keep browsers updated - Clear cache regularly - Monitor system performance 2. **Data Management** - Regular backups - Data validation - Clean data entry 3. **Security** - Strong passwords - Regular password updates - Secure network connections 4. **Training** - Stay updated on new features - Attend training sessions - Read release notes --- *Still experiencing issues? Our support team is here to help. Contact us with detailed information about your problem for the fastest resolution.*