I have no idea what BrickLink did on their side. There was no communication at all about an upcoming change in login procedure towards me. We have to wait for BrickLink to respond [...] (29 days ago, Mar 28, 2024, to Technical Issues)
Okay. It's apparently working, so I'm just going to leave it alone and never edit the method ever again. :) (29 days ago, Mar 28, 2024, to Technical Issues)
For my quote option it looks like this and I have "Accept Quote Requests" enabled in store management just like you. perhaps try adjusting your setup to work similarly. (29 days ago, Mar 28, 2024, to Technical Issues)