Do you use IE all the time, and if you do, do you accept the PCA cookie that keeps you logged in?
I also experienced the 'please login' situation this afternoon, in this case with Google Chrome. I'm about to post this, so we'll see what happens.
OnePlus 5 review
Alice Saey's mesmerising animation for Dutch singer Mark Lotterman
iPad Pro 10.5in (2017) review
Comment booster votre iPhone ?