Did you witness the error Blerk 1 while accessing your AOL email account? If yes, then you don't need to get worried as this issue generally occurs if there is some issue with the authentication of your mail. Sometimes the settings of your web browser can be responsible for the occurrence of this error. If you don't want to solve this error on your own, then you can try to get in touch with AOL Support to speak with the experts who will fix your issue efficiently. The team of customer care has the required experience and knowledge that will help them in fixing the error from the roots.