Liquidity problems

opening trades near or at 9:00, 10:00 and 16:00 (mt4 server time) with this broker have been met with "quote" errors. Im only able to open the trade 2 minutes (exactly 2 minutes) after the hour has passed. I've recently checked and confirmed that this error happens every hour at 30 minutes into the hour starting at 9:00 mt4 server time which is 1 hour before the London open all the way through the New York open.