KB18109: Unable to edit advanced qualification in MicroStrategy Developer 9.4.x-10.x

SYMPTOM:
Users open an existing Advanced Qualification to edit it in Strategy Developer 9.4.x-10.x. The 'OK' button and 'Option' drop down menu are greyed out. The defined custom expression cannot be edited, as shown below:

 
CAUSE:
There are two possible causes of this issue.

• The user logged into the project source has not been granted the 'Use report filter editor' privilege, as shown below:
  

• The 'Show Advanced Qualification' preference has not been enabled, as shown below:
  

ACTION:
To resolve this issue, follow the steps below:

1. Log into the project source as a user with System Administrator privileges. In the User Manager, grant the 'User report filter editor' privilege to the user facing this issue.
2. Right-click on the Project name in Strategy Developer 9.4.x-10.x. Go to My Preferences > Editors > Filter Options and check the 'Show advanced qualification' option.