From approximately 02:30 - 15:00 BST our Bacs simulator encountered an issue where the simulator was producing higher load than usual resulting in a performance degradation in submission handling.
This resulted in processing latency on all submissions until mitigations were introduced at 15:00 BST where pending submissions were processed through to a final state.
A full fix has been introduced to prevent this issue recurring and we continue to monitor the simulator behaviour for further enhancements.