See the --site parameter syntax requirements.
The 0 means the Site Manager entry has been created by yourself in the GUI. Followed by the separator slash. Then the site name (of the entry). If you organized your sites into folders you need to include that also, like:
Code:
--site="0/sitename"
The 0 means the Site Manager entry has been created by yourself in the GUI. Followed by the separator slash. Then the site name (of the entry). If you organized your sites into folders you need to include that also, like:
Code:
--site="0/folder/sitename"