Ps2 2nd controller no input is registered

[GrishaX2]

I got two RetroScaler PS2 adapters from aliexpress and I'm having problem with the 2nd controller.
The first (player 1 port) works perfect but the 2nd adapter (player 2 port) connected but no input is registered

I'm usuing Ps2 fat with fmcb and opl with original DS4 controller.

Tried switching betweend them and updating the fw but the problem still occurs.

What I'm missing?

[GrishaX2]

Nevermind, found out that of the pins is bent 🤦‍♂️