Sometimes you just have to keep persevering - and even then - long-term Markets saved can work for a week or so - and then, one day - gone.
Try Logging _Out - Clear Cookies & Cache and Log-In again.
I know it is an old chestnut - but, otherwise - it can keep checking for an OLD (now NOT working) Cookie first - and look to fetch that back... rather than you RE-Creating/making a New Link to the Market.
Sometimes you just have to keep persevering - and even then - long-term Markets saved can work for a week or so - and then, one day - gone. Try Logging _Out - Clear Cookies & Cache and Log-In again.I know it is an old chestnut - but, otherwise - it c