If you can't submit a task it might require some simple troubleshooting. Here are the steps you can try before reaching out to our team:
1. Clear cache or try incognito window
2. It might happen that your browser needs an update. Simply update the browser.
If you are still experiencing issues please reach out to our team at firstname.lastname@example.org
You can try using another browser in the meantime such as Firefox, Opera or Chrome (depending on which one you are having issues with) and see if you're successful there.