Harlquinn quest bugged

Do you mean the Wicked Eyes, Wicked Hearts quest? If you load a save from earlier in the mission, does the same behaviour occur?

yes the wicked eyes mission i cannot load an earlyier save as i dont have one.

Oh dear. Can you leave the area and return, or create a save then load into the same zone?

it actually doesnt let you leave the area there is a gate that only opens after the spy leads you to it and he wont trigger since the harlquinn is just walking around.

I'm sorry to hear that. Are there any earlier milestone saves? I personally keep a lot of saves(it helps in case I need to reference a section later, as well as being standard good practice for games with manual saves) and there are usually a mix of auto and milestone saves, as well as the standard manual ones. I hate to bear bad news, but if you're in a section with a failed trigger and you can't leave, for now the only workaround is to load an earlier save.