The Chrome extension was depreciated in December 2018, so unfortunately any issues with it won’t be fixed.
It’s recommended that you switch over to Open Banking, which is a direct connection to your bank, offering better security and an automated feed. This does require a Bank Feed Subscription (currently £15 +VAT for 1 year), but this would cover you for all bank feeds not just for 1 bank or 1 bank account.
You can find more information on Open Banking, here: What is Open Banking?