Journal no longer shows my Main Quest!

Hello! My first time ever in the forums :confused:

Bug Info:

Date & Time: 05 Jul 2019
Frequency: one, lasting
World name: Zodiark
Character name: Dania Cindreh
Retainer name:
NPC name:
Monster name:
Class/Level: Dragoon 55
Party or solo: Solo
In-game time:
Area and coordinates: Coerthas Central Highlands/Gridania
Housing:
Steps:
1. Completed a Quest, "For the Greater Good", I think.
2. Accepted a Quest from Alphinaud, "Tendrils of Intrigue", I think.
3. Finished playing for the night, logged out (not sure about at which co-ordinates).
4. Next night, Main Quest no longer appears in my Journal and has not reappeared since!
5. Cannot proceed with Main Quests :(

Connection Specs
- Type of internet connection/provider: cable
- Modem maker/model number: Cisco EPC3825


------------------------------------------------------

■ PS4 Specs

Model Number of the PlayStation®4 You Are Using
- Model Number: CUH-1116B

Information About the Peripherals You Are Using
-Type: REVOLUTION Unlimited Pro
-Maker: Nacon
-Model Number: BB4462