Why does the season pass say unailible ever since I bought the Moxxi's heist DLC

I cannot buy the season pass for borderlands 3 I am unsure as to why as I have never bought it. It has been like this I think after I bought the Moxxi’s heist DLC. Please help.

The UE4 Answerhub is for Unreal Engine development.

You want to contact either Epic Games Store support: Epic Games Technical Support & Customer Service | Epic Games

Or Borderlands support: https://support.2k.com/hc/en-us/sections/360003831093-Borderlands-3