Send the following on WhatsApp
Continue to ChatORA-12754: Feature 'startup' is disabled due to missing capability 'Runtime Environment' http://oracle-help.com/oracle-18c/ora-12754-feature-startup-disabled-due-missing-capability-runtime-environment/
ORA-12754: Feature 'startup' is disabled due to missing capability 'Runtime Environment' http://oracle-help.com/oracle-18c/ora-12754-feature-startup-disabled-due-missing-capability-runtime-environment/