Troubleshooting

When an upload hangs or an invitation link fails, the most common causes and their fixes.

An upload hangs or failsThe most common causes when a file does not arrive or gets stuck in processing, and what helps in each case.2 min read · Updated: 02/09/2026
An invitation does not workExpired link, wrong account, missing rights: the typical reasons an invited person cannot get in.1 min read · Updated: 21/09/2026
Help & contact: feedback to supportSend support a message from any page, together with the page you are on, so the answer fits.2 min read · Updated: 21/09/2026