Keycloak 8.0.1, Continuous errors every 15 mins KC-SERVICES0089

I have Keycloak 8.0.1 installed via helm on kubernetes running with Postgresql
I am suddenly seeing the below 2 errors every 15 mins. Please help

KC-SERVICES0089: Failed to run scheduled task ClearExpiredUserSessions: javax.persistence.PersistenceException: org.hibernate.HibernateException: Transaction was rolled back in a different thread!

KC-SERVICES0089: Failed to run scheduled task ClearExpiredEvents: javax.persistence.PersistenceException: org.hibernate.HibernateException: Transaction was rolled back in a different thread!