Date & Time: 14-16/03/2018
Frequency: Only happened one time
World name: Moogle
Character name: R'bolata Dhen
Class/Level: PLD/4
Party or solo: Party with only one friend since i entered in Eureka, so we shared the same EXP
Area and coordinates: Eureka
Steps:
1. I entered Eureka with a friend, since that moment we leveled together
2. We left Eureka after reaching lvl 2.
3. We entered again to Eureka and leveled up to lvl 3
4. We left Eureka again.
5. We entered again and leveled up to lvl 4
6. Then in the middle of a chain of 23, i got disconnected from the game with a server error.
7. I entered again, can't remember if in that moment i was still lvl 4, because i was checking if i lost the chain.
8. We left Eureka.
9. Today (16/03/2018) we went again to Eureka and i saw that i was lvl 2
*Add more steps if necessary

Connection Specs
- Type of internet connection/provider: Optic fiber 100MB/10MB
- Modem maker/model number: CBN - CG6640E


Additional information:

Character name of my friend: Sinead Lilia
His grid: https://imgur.com/Mi6AAKO
My grid: https://imgur.com/yMwXOoU