Summary: In this helpful post, I am going to discuss about one of the most popular errors that MS Access database users are facing every now and then. The error message is “aoindex is not an index in this table”. Since, I have found that this is one of the hottest topics over the internet. I have seen that there are so many forum and community websites where users are asking the solution for the above mentioned error. Hence, I have decided to share solutions that would help you fix MS Access “ID is not an index in this table” Error. Just read the post till the end.