It has been almost a week since they had a major upgrade.
You can't expect these things to last forever.
Betfair Down / Betfair site crash
yesterday this one cost me a few bobs as I was not sure whether the bet went in or not.
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04-Aug-17 20:30:50: £ 120.00 Lay bet placed on Mont Kiara at 6.6. Entirely unmatched when it initially reached the market. Ref: 989211...
04-Aug-17 20:30:56: Warning: Betfair returned a 'Processed with errors' message while updating bet persistence: The order has been processed, but errors have occurred.
04-Aug-17 20:30:56: Modify bet persistence 989211... from 'Cancel' to 'Take SP'
04-Aug-17 20:30:56: Modify bet persistence 989211... from 'Cancel' to 'Take SP'
04-Aug-17 20:31:09: Bet moved on ladder - Modify bet 98921138601 from 120 @ 6.8 to 120 @ 6.6 [Take SP at in-play] New Ref: 989211...
04-Aug-17 20:31:19: An error occurred while modifying price: The order cannot be processed as the market is suspended.
04-Aug-17 20:31:19: Bet moved on ladder - Modify bet 989211...6 from 120 @ 6.6 to 120 @ 6.4 [Take SP at in-play] Error changing price ( CANCELLED_NOT_PLACED ).
04-Aug-17 20:31:19: Market has been suspended
04-Aug-17 20:31:21: Market is in-play
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04-Aug-17 20:30:50: £ 120.00 Lay bet placed on Mont Kiara at 6.6. Entirely unmatched when it initially reached the market. Ref: 989211...
04-Aug-17 20:30:56: Warning: Betfair returned a 'Processed with errors' message while updating bet persistence: The order has been processed, but errors have occurred.
04-Aug-17 20:30:56: Modify bet persistence 989211... from 'Cancel' to 'Take SP'
04-Aug-17 20:30:56: Modify bet persistence 989211... from 'Cancel' to 'Take SP'
04-Aug-17 20:31:09: Bet moved on ladder - Modify bet 98921138601 from 120 @ 6.8 to 120 @ 6.6 [Take SP at in-play] New Ref: 989211...
04-Aug-17 20:31:19: An error occurred while modifying price: The order cannot be processed as the market is suspended.
04-Aug-17 20:31:19: Bet moved on ladder - Modify bet 989211...6 from 120 @ 6.6 to 120 @ 6.4 [Take SP at in-play] Error changing price ( CANCELLED_NOT_PLACED ).
04-Aug-17 20:31:19: Market has been suspended
04-Aug-17 20:31:21: Market is in-play