SYMPTOM:
While users login to 3-tier project source in Developer 9.x, it is observed that the "Unload" option is grayed out under menu Administration -> Projects even though the user has sufficient privilege.

CAUSE:
This is a known issue in Strategy Developer 9.x.
ACTION:
Contact Strategy Technical Support for updates regarding the issue.
WORKAROUND:
There are two other ways for users to unload the projects without re-configuring the Intelligence Server via Configuration Wizard.

UNLOAD PROJECT "<project_name>