You Needed to Replace the Legacy Jira Group All-Staff-Europe with a Newly

You needed to replace the legacy Jira group all-staff-europe with a newly created all-staff-global group. You created the new group and you migrated all users to the new group. Then you deleted the legacy group. Which four problems might users report after the change? (Choose four.)

A) Filter subscriptions send out errors instead of issues statistics.
B) Workflow transitions are hidden from certain users.
C) Users are not able to perform bulk change operations.
D) Users are not able to log in to Jira anymore.
E) Comments that were restricted to the legacy group are lost.
F) Filter results return an incorrect number of issues.