Countdown Timer Not Displaying On-Screen & In Chat Log From Other Party Members

Date & Time: 10/29/2017, 10:00PM PST
Frequency: Always
World name: Hyperion
Character name: D'momo Pascal
Retainer name: ----
NPC name: ----
Monster name: ----
Class/Level: RDM 70
Party or solo: Party
In-game time: 8:00 PM
Area and coordinates: Shinryu's Domain
Steps:
1. Initiate 15 second countdown
2. Watch log
3. No warning or display for 10 and 5 seconds before "Engage!"
4. Initiate own 15 second countdown
5. Watch log
6. Warning and text displays for 10 and 5 seconds

Connection Specs
- Type of internet connection/provider: Comcast Blast Pro 200/10 Mbps
- Modem maker/model number: Arris SB6183

https://i.imgur.com/u8XsDJL.png