// display a error msg above the next section or assessment-finished-text
getInfo().setError(st);
getInfo().setRenderItems(true);
} else { // section was successfully submitted
sc.sectionWasSubmitted(); // increase times answered of section
sc.eval(); // calculate any section feedback
if (sc.isFeedbackavailable()) {
Output outp = sc.getOutput();
getInfo().setCurrentOutput(outp);
getInfo().setFeedback(true);
}