id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
5241	Issue with ExpressionSimplify.evalCat in the NF	Francesco Casella	Per Östlund	"Please check [https://libraries.openmodelica.org/branches/newInst/PowerSystems/files/PowerSystems_PowerSystems.Examples.AC1ph_DC.Elementary.DoublelLine.err PowerSystems.Examples.AC1ph_DC.Elementary.DoublelLine]. The following error is reported:
{{{
[OMCompiler/Compiler/FrontEnd/ExpressionSimplify.mo:1654:7-1654:180:writable]
Error: Internal error ExpressionSimplify.evalCat:
cat got uneven dimensions for 
dim=1 {{lineF.i[1, 1] - lineF.i[1, 2]}, {lineF.i[2, 1] - lineF.i[2, 2]}}, {{lineF.i[1, 2] - lineF.i[1, 3] - lineF.iF_p[1, 1], lineF.i[1, 3] - lineF.i[1, 4] - lineF.iF_p[1, 2]}, {lineF.i[2, 2] - lineF.i[2, 3] - lineF.iF_p[2, 1], lineF.i[2, 3] - lineF.i[2, 4] - lineF.iF_p[2, 2]}}, {}
}}}
The model works [https://libraries.openmodelica.org/branches/master/PowerSystems/files/PowerSystems_PowerSystems.Examples.AC1ph_DC.Elementary.DoublelLine.sim fine] with the old FE."	defect	closed	blocker	1.16.0	New Instantiation		fixed