When trying to delete resource bookings (with value > 0) via task ETC details, the deletion action appears to have no effect. No error message is displayed on UI.
STEPS TO REPRODUCE:
Expected Result: The selected ETC Detail should get Deleted.
Actual Result: The selected ETC Detail is not deleted.
Workaround: Uncheck 'Allow Edit of Allocations when Investment is Locked' option under Administration - Project Management settings.
DE176110, is fixed in Release 16.4.1