Guarding against your own false accusations against yourself is very important. At the same time, please add the practice of being gentle with yourself. By this I mean, try to foster a sense of quiet within, an acceptance of yourself within. Try to respond inwardly to yourself as you would toward someone whom you love deeply. In other words, allow yourself to be imperfect and when you are, please guard against a harsh inner voice that condemns. You have been wounded and so you need that sense of self-acceptance in all aspects of your life right now.
The next time you make an error, be aware of how you are talking to yourself internally. Check to see if you are using the inner-whip against yourself and then stop this immediately. Instead, please turn to this: I am wounded inside. I do not need another wound, especially one that is inflicted from within. It is time to be gentle with myself.