Where is the bug,error, in matrix?list2mat?

[toshk]

Code:


EXPORT mamt()
BEGIN
//LOCAL a:=[["err",1],["errr",2]]; //neither CAS nor Home
LOCAL b:=list2mat({"err",1,"errr",2},2); //does work in Home but not CAS
//LOCAL c:=list2mat(["err",1,"errr",2],2); //neither CAS nor Home
return (b); 
END;