You’re using over 50% of your 2 GB Dropbox Basic plan. When you exceed your storage cap, you won’t be able to add new files or sync changes to Dropbox.
Switch to a paid plan at anytime and get:
2,000+ GB of storage—get the space you need with plenty of room to grow
Offline access to your files and folders—continue working from any device, including mobile, and sync offline, anytime
Enhanced security controls—password protect any file, and remotely wipe a lost or stolen device