Since yesterday we started noticing 503 erros in production, where a lot of warnings are stoping the IIS pools.

i’m really new to Genexus and currently following the genexus core course on the official website,
However when i tried to login to build the application, this error appeared enter image description here

I Have an SDT like this, called SDTInserimentoPackage

I’m trying to receive data from a web service. It works in Postman. The only thing I did was set username and password as params and I received a json as response

I’m trying to install a Genexus module from the global matrix (web extensions toolkit), but when I open it there are only two modules and not the one I’m looking for. I’m sure I got the module from there a few days ago, now it’s gone. Did I misunderstand something? I’m working with the 17U10 version of genexus and the link of the global matrix is:

in Genexus 9 we are using XMLwriter class and we need to know what is the requeriments to install in the client pc, maybe any dll?