Troubleshooting

Having trouble with UCharts? This guide covers the most common issues and their solutions. If you can't find what you're looking for, check our support resources or contact our team.

15 min readAll levels

Need Quick Help?

Try these quick fixes first before diving into specific issues:

Immediate Actions

  • • Refresh the page
  • • Clear browser cache
  • • Try a different browser
  • • Check your internet connection

Common Solutions

  • • Verify data format
  • • Check chart template
  • • Update browser
  • • Disable extensions

Common Issues & Solutions

Data Import Issues

Problems with importing CSV files, Excel data, or manual entry.

CSV file not importing correctly

Symptoms:
  • File upload fails
  • Data appears garbled
  • Columns are misaligned
Solutions:
  • Check that your CSV uses commas as delimiters
  • Ensure the file is saved in UTF-8 encoding
  • Remove any special characters from column headers
  • Make sure the file is not corrupted
Prevention:

Always preview your CSV in a text editor before importing

Excel data not pasting properly

Symptoms:
  • Data appears in wrong columns
  • Numbers are treated as text
  • Headers are missing
Solutions:
  • Select only the data range (not entire sheet)
  • Copy headers along with data
  • Paste into the first cell of the data grid
  • Check that Excel is not in formula view
Prevention:

Use "Copy as Values" in Excel to avoid formula issues

Large files causing performance issues

Symptoms:
  • Slow loading
  • Browser crashes
  • Import times out
Solutions:
  • Break large files into smaller chunks
  • Remove unnecessary columns
  • Use CSV export instead of direct copy-paste
  • Close other browser tabs to free memory
Prevention:

Keep datasets under 10,000 rows for optimal performance

Quick Fixes by Category

Performance Issues
  • Clear browser cache and cookies
  • Close unnecessary browser tabs
  • Use a different browser
  • Check internet connection
  • Disable browser extensions
Data Problems
  • Check data format and structure
  • Remove empty rows and columns
  • Verify column headers are present
  • Ensure consistent data types
  • Use smaller datasets for testing
Display Issues
  • Refresh the page
  • Try different chart templates
  • Check browser zoom level
  • Update browser to latest version
  • Clear browser cache
Export Issues
  • Wait for chart to fully load
  • Try different export formats
  • Check download folder permissions
  • Use incognito/private browsing
  • Disable ad blockers temporarily

Common Error Messages

Prevention Tips

Best Practices
  • • Always preview your data before importing
  • • Use consistent data formats
  • • Keep datasets reasonably sized
  • • Test charts before sharing
  • • Save your work regularly
  • • Use supported browsers
What to Avoid
  • • Don't import extremely large files
  • • Avoid special characters in headers
  • • Don't use unsupported file formats
  • • Avoid complex nested data structures
  • • Don't leave browser open for days
  • • Avoid using outdated browsers

Still Need Help?

Search Documentation

Browse our comprehensive documentation for detailed guides and tutorials.

Community Support

Connect with other users and get help from our community forum.

Contact Support

Can't find what you're looking for? Contact our support team directly.

System Requirements

Supported Browsers
  • • Chrome 90+ (recommended)
  • • Firefox 88+
  • • Safari 14+
  • • Edge 90+
  • • Opera 76+
System Requirements
  • • Stable internet connection
  • • JavaScript enabled
  • • Cookies enabled
  • • 4GB RAM minimum
  • • Modern operating system

What's Next?

If you've resolved your issue, continue exploring UCharts or learn more about advanced features.