Theinitial situation is the newly downloaded catalog. The lock symbol indicates that no editing rights are available.
To obtain editing rights, select the directory and call up the Check out selection (for editing) [Check out selection (for work)] command in the context menu of the directory tree.
starting point Action Result directories/projects (to edit) [Check out directories / projects (for work)]
The green tick in the result indicates that You now have the editing rights for the catalog.
In the picture below, project p23 is checked out alone.
After checking out the project (for editing), p23 is displayed with a green tick.