PMO upgrade fails with ORA-00060: deadlock detected while waiting for resource

Products

• Clarity PPM SaaS
• Clarity PPM On Premise

Issue/Introduction

When running PMO upgrade, it fails and error message is thrown:
 
Loading registered objects for building blocks bootstrap...
Content Pack Installation - ODF Bootstrap failed: [CA Clarity][Oracle JDBC Driver][Oracle]ORA-20000: Error: ORA-00060: deadlock detected while waiting for resource
ORA-06512: at "CLARITY.CMN_ENABLE_DISABLE_SP", line 67
ORA-06512: at line 1
Content Pack Installation - ODF Bootstrap failed: [CA Clarity][Oracle JDBC Driver][Oracle]ORA-20000: Error: ORA-00060: deadlock detected while waiting for resource
ORA-06512: at "CLARITY.CMN_ENABLE_DISABLE_SP", line 67
ORA-06512: at line 1
Failed to install content pack: Content Pack Installation - ODF Bootstrap failed [CA Clarity][Oracle JDBC Driver][Oracle]ORA-20000: Error: ORA-00060: deadlock detected while waiting for resource
ORA-06512: at "CLARITY.CMN_ENABLE_DISABLE_SP", line 67
ORA-06512: at line 1
Error occurred: com.niku.nsa.service.ExecutableException: Content Pack Installation - ODF Bootstrap failed [CA Clarity][Oracle JDBC Driver][Oracle]ORA-20000: Error: ORA-00060: deadlock detected while waiting for resource
ORA-06512: at "CLARITY.CMN_ENABLE_DISABLE_SP", line 67
ORA-06512: at line 1
Check admin.log or use -verbose for more information.
Failed to install content pack. ID: csk: exec returned: 1
Failed to install content pack. ID: csk: exec returned: 1
Error occurred: /apps/clarity/META-INF/content/xog/csk/install.xml:242: exec returned: 1
Check admin.log or use -verbose for more information.
 

Environment

Release: CODCVU9900-15.5.1-PPM SAAS-View Only Userpack for-Canadian Government Entities
Component:

Resolution

Ensure Clarity services are stopped prior to the PMO upgrade and that jobs are not running on the database.

Nothing should be accessing the database whilst the PMO upgrade is in progress.