i'm trying to connect GOG Galaxy to PSN but i always get this message

Same here.

Gives me error:

"error_code":4151,"error":"unauthorized_client","error_description":"Client does not have grant type: [\"implicit\",\"authorization_code\"]","docs"...

Same error here. It worked prior to today's update.

Same here

As far as I understand it's a problem caused by some sort of authentication code missing. It must be surely connected to the new update
We can't do much about it, just wait for a plugin update

New update today, looks there is nothing fixed yet

same error. well done, gog.

Same here, weird how the newest update didn't fixed that

Yep, I first noticed this same error yesterday and it continues today, after updating to the most recent Galaxy version. Unsure if it's something the creator of the integration needs to fix or if it's a GOG issue, though.

Same here,
hoping to see a fix show up in the thread.

Same here....:(

In a way, it's "something the creator of the integration needs to fix".

The problem is that Sergey based his plugin off of gumer's PSN API, and, well…

https://github.com/jhewt/gumer-psn

So basically, someone needs to go back and build a PSN integration that works with CAPCHA, from scratch, before anything happens.

We're probably best off at this point hoping that CDPR has PSN support as its next official integration project instead.

same here

Same here, sadly...