GMAIL AUTHENTICATION FAILED
You can fix this issue by enabling IMAP on your Gmail account. To do exactly that, proceed by logging in to your Gmail account and then open its settings to modify the IMAP settings. To fix Gmail authentication failed, select the Forwarding and POP/IMAP tab under the settings section – click on it. Amongst the options is another option to enable IMAP, find it, and turn it on. Save the changes and this issue will be resolved.