Cannot export users of a Role in Enterprise Admin portlet. 'Export' button generates "Invalid path was requested /enterprise_admin_roles/export_users"

• Type: Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: 6.0.12 EE, 6.0.X EE
• Fix Version/s: 6.0.X EE
• Component/s: Legacy, Legacy > Enterprise Admin, User Management, User Management > Roles
• Labels:
  • QA-TP
  • ee-ts
• Branch Version/s:
  6.0.x
• Backported to Branch:
  Committed
• Fix Priority: 4
• Git Pull Request: https://github.com/brianchandotcom/liferay-portal-ee/pull/6340

Steps to reproduce:
1.Log into portal as admin
2.Navigate to: Control Panel - > Roles
3.Click on Actions -> View Users for Power User
4.Click on Export

Expected Result: The .csv file to be generated, the UI to show the relevant screen and the server console not to throw any error
Actual Results: No file is generated, the users pane remains blank and the server console throws the below error:

17:28:17,967 ERROR [PortletRequestProcessor:462] User ID 10178
17:28:17,968 ERROR [PortletRequestProcessor:463] Current URL /group/control_panel/manage?p_auth=aucvKmM8&p_p_id=128&p_p_lifecycle=1&p_p_state=maximized&p_p_mode=view&doAsGroupId=10162&refererPlid=10165&_128_struts_action=%2Fenterprise_admin_roles%2Fexport_users&etag=0&strip=0&compress=0
17:28:17,969 ERROR [PortletRequestProcessor:464] Referer http://localhost:6012/group/control_panel/manage?p_p_id=128&p_p_lifecycle=0&p_p_state=maximized&p_p_mode=view&doAsGroupId=10162&refererPlid=10165&_128_struts_action=%2Fenterprise_admin_roles%2Fview&_128_tabs1=users&_128_viewUsersRedirect=http%3A%2F%2Flocalhost%3A6012%2Fgroup%2Fcontrol_panel%2Fmanage%3Fp_p_id%3D128%26p_p_lifecycle%3D0%26p_p_state%3Dmaximized%26p_p_mode%3Dview%26doAsGroupId%3D10162%26refererPlid%3D10165%26_128_refererPlid%3D10165%26_128_doAsGroupId%3D10162&_128_roleId=10146
17:28:17,969 ERROR [PortletRequestProcessor:465] Remote address 127.0.0.1
17:28:17,969 ERROR [PortletRequestProcessor:467] Invalid path was requested /enterprise_admin_roles/export_users
17:28:18,024 ERROR [PortletRequestProcessor:462] User ID null
17:28:18,025 ERROR [PortletRequestProcessor:463] Current URL /group/control_panel/manage?p_auth=aucvKmM8&p_p_id=128&p_p_lifecycle=1&p_p_state=maximized&p_p_mode=view&doAsGroupId=10162&refererPlid=10165&_128_struts_action=%2Fenterprise_admin_roles%2Fexport_users&etag=0&strip=0&compress=0
17:28:18,025 ERROR [PortletRequestProcessor:464] Referer http://localhost:6012/group/control_panel/manage?p_p_id=128&p_p_lifecycle=0&p_p_state=maximized&p_p_mode=view&doAsGroupId=10162&refererPlid=10165&_128_struts_action=%2Fenterprise_admin_roles%2Fview&_128_tabs1=users&_128_viewUsersRedirect=http%3A%2F%2Flocalhost%3A6012%2Fgroup%2Fcontrol_panel%2Fmanage%3Fp_p_id%3D128%26p_p_lifecycle%3D0%26p_p_state%3Dmaximized%26p_p_mode%3Dview%26doAsGroupId%3D10162%26refererPlid%3D10165%26_128_refererPlid%3D10165%26_128_doAsGroupId%3D10162&_128_roleId=10146
17:28:18,025 ERROR [PortletRequestProcessor:465] Remote address 127.0.0.1
17:28:18,026 ERROR [PortletRequestProcessor:467] Invalid path was requested /enterprise_admin_roles/export_users

Same as LPS-24302 and LPS-30408