Bahamut and Phoenix Unresponsive after Summoning

Date & Time: 2:30 am, July 7 2019
Frequency: Always
World name: Adamantoise
Character name: Tsundere Imouto
Class/Level: Summoner level 80
Party or solo: Both
Steps:
1. Use "Summon Bahamut" or "Firebird Trance" to summon Bahamut or Phoenix
2. Immediately afterwards (within 1 second), cast Ruin 2, Fountain of Fire, or any other instant Spell.
3. Bahamut/Phoenix will not follow up your cast with Wyrmwave or Scarlet Flame.

Connection Specs
- Type of internet connection/provider: Spectrum
- Modem maker/model number: Linksys
My internet is extremely fast; my ping to the FFXIV Aether server is 25 ms and does not spike.