Error 500 while opening Sub Project page

Document ID : KB000122810
Last Modified Date : 10/12/2018
Show Technical Document Details
Issue:
Error 500 - Internal Server Error. The server could not retrieve the document due to server-configuration or other technical problems.

Errors from app-ca.log:

ERROR ...... Exception locating views for object project of subtype update in the database. 

ERROR  ...... Could not find ObjectAction egct_high_level_plan_temp in ODFObject for object code project 

ERROR  ...... Internal Processing exception 
java.lang.Exception: Invalid expression qobj: com.niku.union.persistence.PersistenceException: 
SQL error code: 1427 
Error message: [CA Clarity][Oracle JDBC Driver][Oracle]ORA-01427: single-row subquery returns more than one row 

Caused by: java.sql.SQLException: [CA Clarity][Oracle JDBC Driver][Oracle]ORA-01427: single-row subquery returns more than one row
Resolution:
Cause : OBS has multiple value in it.