INT_ANY_ArgumentBuilder is broken
I suspect INT_ANY_ArgumentBuilder is broken at line 1409 in ArgumentBuilder.cs
IOperandTerm[] terms = popTerms(line);
if (!checkArgumentType(line, exm, terms))
return null;
List<IOperandTerm> termList = new List<IOperandTerm>();
ExpressionArrayArgument ret = new(termList);
It asks for terms, then just drops them, breaking ADDCHARA and ADDCOPYCHARA functions.
Making it List termList = new List(terms ); fixed the crash