Regular dungeon not working

I use my regular dungeon pass. Go into the dungeon and no monster spawn.

Inside there got another npc try to talk to the NPC it use another of my pass but no monster spawn as well

Please help
Got picture and video but can't upload due to size.

Let me know

Ign puppyxuan4

 

Here is my picture. 2 ticket lost and no monster appear

 

A faito is inside the dungeon

 

Hi Alex
I lost 2 regular ticket and was refunded with only 1.