Really Urgent

Really Urgent I take webinars for my company and I stutter, I think I made a major screw up of myself in front of many people. I know we should own it, but it's humiliating and upsetting. I muster a lot of confidence but professional world is brutal. You can have sympathy, but not a job. I don't know what to do with it, it's really hard when it hits. Please help me.