Error message for empty CF node

Until the problem is fixed in the Gaudi scheduler (see gaudi/Gaudi#135 (closed)), throw an error if a problematic empty sequence is found in the HLT menu.

added TriggerMenu label

This merge request affects 1 package:

• Trigger/TriggerCommon/TriggerMenuMT

Adding @bernius as watcher

added Trigger master review-pending-level-1 labels

CI Result SUCCESS (hash 2398ead8)

	Athena	AthSimulation	AthGeneration	AnalysisBase
externals
cmake
make
required tests
optional tests

Full details available on this CI monitor view
Athena: number of compilation errors 0, warnings 0
AthSimulation: number of compilation errors 0, warnings 0
AthGeneration: number of compilation errors 0, warnings 0
AnalysisBase: number of compilation errors 0, warnings 0
For experts only: Jenkins output [CI-MERGE-REQUEST-CC7 18503]

The changes are fine and there are no CI issues. Approving.

Jason (L1)

added review-approved label and removed review-pending-level-1 label

merged

mentioned in commit 28348d1c

added sweep:ignore label