Postgres based installation - Adding an already existing Access Right throws an error

Products

• Clarity PPM On Premise
• Clarity PPM SaaS

Issue/Introduction

Product: Clarity PPM
Keywords: Postgres; Instance Access Rights

Steps to Reproduce:
1. Create a new resource from Administration -> Resources
2. Navigate to Resource's Access Rights -> Instance
3. Click on Add -> Object = "Process Definition" -> "Process -AutoStart" -> {Choose any record} -> Add
4. Click on Add -> Object = "Process Definition" -> "Process -AutoStart" and "Process - Cancel" -> {Choose same record as in Step 3} -> Add

Expected Result: "Process - Cancel" right is added along with "Process - AutoStart"
Actual Result: "Process - Cancel" right is not added

Cause

Due to a defect with ID DE57142.

Environment

Version: 15.8.1

Resolution

The defect is fixed in version 15.9.0.

Additional Information

The following error messages are observable in the app-ca.log:

ERROR 2020-08-06 12:01:08,737 [http-nio-80-exec-636] niku.xql2 (clarity:admin:8377508__744E14B6-41EE-A098-A4E87D6C828B:nmc.userInstanceRightsAssociationsAdd) Database Error thrown 
com.niku.union.persistence.PersistenceException: 
SQL error code: 0
Error message: ERROR: current transaction is aborted, commands ignored until end of transaction block
Executed:
call CMN_SEC_ASND_INST_RIGHT_IDS_SP(?,?,?,?,?)
...
...
Caused by: org.postgresql.util.PSQLException: ERROR: RIGHT ASSIGNMENT EXISTS
  Where: PL/pgSQL function cmn_sec_asnd_inst_right_ids_sp(text,bigint,bigint,bigint,bigint) line 18 at RAISE
 ... 110 more