C4/Reserves was looking for message name "Hold Filled", but it's just been changed to "Hold_Filled". The templates were changed, but the code was not.
Created attachment 4519 [details] [review]
Marking as Passed QA, since it's a simple single character fix working on a live production server.
Pushed to master please test
There have been no further reports of problems so I am marking this bug resolved.