id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
1910	Erroneous Warning: Parameter ... has neither value nor start value, and is fixed during initialization (fixed=true)	Jens Frenkel	Adrian Pop	"For the models (msl3.2.1)

Modelica.Blocks.Examples.Filter.mos
Modelica.Blocks.Examples.FilterWithDifferentiation.mos
Modelica.Blocks.Examples.FilterWithRiseTime

The Warnings

Warning: Parameter a has neither value nor start value, and is fixed during initialization (fixed=true)
Warning: Parameter b has neither value nor start value, and is fixed during initialization (fixed=true)
Warning: Parameter ku has neither value nor start value, and is fixed during initialization (fixed=true)
Warning: Parameter c0 has neither value nor start value, and is fixed during initialization (fixed=true)
Warning: Parameter c1 has neither value nor start value, and is fixed during initialization (fixed=true)

are not valid because 

  parameter Real cr[ncr](each fixed=false);
  parameter Real c0[nc0](each fixed=false);
  parameter Real c1[nc0](each fixed=false);

  // Coefficients for differential equations.
  parameter Real r[nr](each fixed=false);
  parameter Real a[na](each fixed=false);
  parameter Real b[na](each fixed=false);
  parameter Real ku[na](each fixed=false);
"	defect	closed	high	1.13.0	Frontend	trunk	worksforme		Jens Frenkel