[*]Does your $questions really get the model you’re fetching?
[*]What are your model relations? Does the model behind commentedModel relation have
[*]Is id the PK for your table or a foreign key?
[*]What are your rules for Questions model? Are they met when you set only reply_time?
[*]Have you tried skipping validation with [font=“Courier New”]$questions->save(false);[/font] or saving only the wanted attribute with [font=“Courier New”]$questions-> saveAttributes(array(‘reply_time’));[/font]?