Clone Apex Session

Summary

I clone Apex Session in local Database 18c XE and work fine, but on the Cloud not Work.

Content

Hi, I need to clone the Apex session to the Oracle Cloud Free Tier, but the submit command 

begin

apex_instance_admin.set_parameter(

p_parameter => 'CLONE_SESSION_ENABLED',

p_value     => 'Y');

end;

/

generates the following error message:

ORA-20987: APEX - Instance parameter not found ORA-06512: at "APEX_200200.WWV_FLOW_ERROR", line 1040 ORA-06512: at "APEX_200200.WWV_FLOW_ERROR", line 1407 ORA-06512: at "APEX_200200.WWV_FLOW_INSTANCE_ADMIN", line 88 ORA-06512: at "APEX_200200.WWV_FLOW_INSTANCE_ADMIN", line 218 ORA-06512: at line 2