When the % Complete is modified for some multi-day tasks, and the % Complete represents more than one day of completion, then the % Complete is automatically changed to 100% and the task appears in the MSP Gantt as a 1 day duration with the rest of the duration being dotted.
Steps to Reproduce
This issue has been reported to Engineering for review as DE42357.
This issue has been observed in CA PPM 15.4 and 15.4.1.
This issue has been fixed in PPM 15.5 and backported to 22.214.171.124 (15.4 SP1 patch 2).