While running the Mail server to db Plugin I have come across the error ie. Mail Poller Already Running

[mention:142e415315644989b294e1d75107c1e9:e9ed411860ed4f2ba0265705b8793d05]  You will need to add a timer to wait and retry again. Only one instance of poller can run at a time.

[mention:142e415315644989b294e1d75107c1e9:e9ed411860ed4f2ba0265705b8793d05] You can only have one instance of mail poller running at any point in time. You need to configure the node to poll mailboxes in sequence