Report on Completed & Inclompleted Skill Status

Summary

trying to show completed and Incompleted status, I can only get Completed to show up

Content

I'm able to get the Completed status to show up on the report, but folks with Incomplete status do not show up. can someone tell me what I'm doing wrong? I'm leaving the Completed Date Parameter blank & selecting all 3 of the the checkboxes for "completed/incompleted/not attempted"

Name
xxxx
Description
xxxx
Data Views
Users, LearnCenters, Skills, Skill Progress
Joins
Skill Progress INNER JOIN Skills
Skill Progress FULL JOIN Users
Skills INNER JOIN LearnCenters
Join Conditions
Skills.Skill LCID = LearnCenters.LC ID
Skill Progress.Skill User ID = Users.User ID