Workflow Agent Listener and Workflow Background Engine

Hi all,
I try to update roles via User Management responsibility but when applying them it throws the following warning: "Updates to Role data will not be visible in the application until the following processes are started : Workflow Agent Listener and Workflow Background Engine". So, my question is via which responsibility i can submit those requests and is there anything else i should know before creating, update roles and assigning permissions to them?
Thanks in advance,
Alexander.

I checked the requests and i found that Workflow Background Engine completed successful. Only Open Period Balance finished with error but is it possible this to be the reason of the given warning? I believe not.
And pls kindly explain what exactly means "you may need to log a SR."? Create a Service Request (SR) in My Oracle Support website so you get a help from Oracle Support Engineer (assuming you have a valid CSI number and MOS account) -- https://support.oracle.com
Thanks,
Hussein

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