{
// If we can't get a value, log an error. If we are are processing System variables, then don't
// use the problem type that requires a "site", as we don't know what it is
ICompilerProblem problem = isFromProjectConfigVariables() ?
new CannotResolveProjectLevelConfigExpressionProblem(node.getConfigValue()) :
new CannotResolveConfigExpressionProblem(node, node.getConfigValue());
addProblem(problem);
}
return result;
}