id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
5763	Connections.isRoot statement outside equation results in instantiation failure with no error message	Maksimov Doe	Per Östlund	"{{{#!modelica
model InvalidIsRootModel
  Modelica.Mechanics.MultiBody.Interfaces.Frame frame;

equation
  Connections.isRoot(frame.R);

end InvalidIsRootModel;

//Output: Internal error Instantiation of InvalidIsRootModel failed with no error message.
}}}"	defect	closed	normal	1.16.0	New Instantiation	v1.16.0-dev	fixed