The unusual app behavior you’re experiencing can be due to a disrupted or obsolete cache file, info2218.
Let's begin by clearing the accumulated app data to start fresh. To clear the cache, please follow these steps:
For Android:
- Go to Menu ☰, then tap More Options ⋮.
- Tap Settings, then Refresh Data.
- Tap YES to confirm.
If the issue persists, you can consider uninstalling and then reinstalling the app.
In the meantime, you can send your invoice using a web browser.
If you have further questions, don't hesitate to reach out. We'll make sure to respond promptly.