Perodically blocked from GPT4 Access

I currently have a bug where even though I’m subscribed to Plus, I am locked out of a using GPT-4 periodically. It seems to happen randomly, sometimes I am able to access, sometimes I’m blocked out. According to the subscription my subscription is supposed to last till 12 November and I’m subscribed with no option to upgrade to plus(as I already have it)

Any help would be much appreciated!