I've had several of our engineers report an issue logging time on requests.
Frequently, an action (be it a regular update, email or resolution action) with engineering time (usually 15 minutes) is logged but does not register. A timesheet category is definitely selected beforehand and yet, the "Total Time" counter does not increase and nothing is added to that engineer's timesheet. Furthermore, no error message is displayed.
For many people, on most occasions, this is resolved by simply refreshing the webpage and attempting to add their time again. However, often this does not make any difference and a manual entry (in Timesheet Manager) is required.
If you could please advise in this regard as it is quite a pain to add time to requests when this is happening.
Of course, please let me know if you require anything further in order to look into this problem.