Why Notification 'Collaboration Offline Group Message(s)' is fired?

[Jiajing Wang]

Hi All,

I received this email,but I don't know why I received.when the event 'collaboration.notify_offline_user.group' is fired?

And how to solve this?

Please help.

 

[Jiajing Wang]

Could you please help me understand the meaning of this Script Action‘Collaboration Offline Email Batching’?