To address issues with the itinerary planning tab not loading properly, try these steps: 1. Refresh your browser page. 2. Perform a hard refresh (Cmd+Shift+R on Mac or Ctrl+Shift+R on PC). 3. Clear your browser cache. 4. If using the Tern app, swipe down to manually refresh the app. 5. Ensure you're logged into Tern with the correct email. If you're a client approving an itinerary, ensure the email matches your Tern Traveler account.