The issue has now been fully resolved, and you should be able to add and load comments as expected. Please contact support if you see any recurring issues. Thank you for your patience and apologies for any inconvenience this may have caused.
Posted Apr 19, 2019 - 16:18 EDT
We have identified the source of the problem and comments are now loading as expected. We will continue to monitor the situation. Please contact our support team if there are any continuing issues loading or adding comments to prototypes.
Posted Apr 19, 2019 - 15:49 EDT
We're investigating an issue where some users are currently unable to add comments to prototypes.