Errors must be resolved before files can be copied. 
After you have selected your intended actions, proceed by clicking Project > Verify Project or the Verify Project button on the button bar.
Your intended actions are verified and errors display if found. Errors could include name conflicts, insufficient rights, required name spaces not loaded, and insufficient disk space.
Errors found during the verification process are classified as follows:
Errors must be resolved before files can be copied.
Errors should be resolved but might not affect the copy process.
Information about the decisions you made in the Project Window.
A description of the error and a possible resolution appears in the Information text box. If no resolution is provided, you can find more information in the Novell Error Codes Help system. (Hint: Search by error code number.)
You can choose what happens when the source server already contains a file with the same name as the one being copied.
The file on the source server is not copied and the file on the destination server is not replaced.
If the file on the source server is newer than the one on the destination server, the file on the destination server is replaced.
The file on the source server always replaces the file with the same name on the destination server.