The specified object already exists.
While saving a database object, the same object was discovered on the database. The most common reason for this error is that another developer (or possibly your database administrator) has already created the same object — not realizing you were simultaneously working to create the object.
To correct this error
Click Yes to replace the existing database object.
Click No to keep the existing database object and cancel the current operation.
Click Cancel to keep the existing database object and cancel the current operation.