Hi Harriett1505,

I’ll block your account to get your attention as you made some mistakes while creating buildings.
Please see this and correct it asap:

osm.org/changeset/114086170 osm.org/changeset/114086152

You can continue to work on OSM after reading (and understanding) this message.

Best regards,
Marc Zoutendijk
OpenStreetMap Foundation
Data Working Group