id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
3161	Error: Internal error pre-optimization module clockPartitioning failed.	Rüdiger Franke	Mahder Alemseged Gebremedhin	"Since yesterday the number of successfully built models goes down considerably for the PowerSystems library. From 79 yesterday but one down to 70 yesterday and further down to 65 today.

It appears that this is caused by a new error for clock partitioning.

See e.g. `PowerSystems.Examples.Spot.AC1ph_DC.Breaker`"	defect	closed	high	1.9.2	Backend	trunk	fixed		Mahder Alemseged Gebremedhin