This error indicates that there is no email address present in the Library Record section of your WorldShare account. The Community Center is accessed using that WorldShare account. You will want to ensure a functioning email address is associated with the account you are trying to log into and is entered in the Library Record section of your WorldShare account. To add the email address, ask a colleague with a working WorldShare account to do the following:
If an email address is already associated with the account, or if no one at your library has access to the Admin module in WorldShare, please contact OCLC Support.