3100945 - CCO manager with Java Sapmachine 17: Error creating bean with name 'shiroFilter'

After initial setup of SAP Customer Checkout manager you receive this error:

Error creating bean with name 'shiroFilter' defined in class path resource [applicationContext.xml]: Cannot resolve reference to bean 'securityManager' while setting bean property 'securityManager'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'securityManager' defined in class path resource [applicationContext.xml]: Cannot resolve reference to bean 'ccoStandardRealm' while setting bean property 'realms' with key [0]; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'ccoStandardRealm': Injection of persistence dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'entityManagerFactory' defined in class path resource [applicationContext.xml]: Invocation of init method failed; nested exception is javax.persistence.PersistenceException: Exception [EclipseLink-28018] (Eclipse Persistence Services - 2.7.7.v20200504-69f2c2b80d): org.eclipse.persistence.exceptions.EntityManagerSetupException
Exception Description: Predeployment of PersistenceUnit [CCOCS] failed.
Internal Exception: Exception [EclipseLink-7155] (Eclipse Persistence Services - 2.7.7.v20200504-69f2c2b80d): org.eclipse.persistence.exceptions.ValidationException
Exception Description: The type [class java.util.List] for the attribute [filterErrors] on the entity class [class com.sap.scco.ap.pos.entity.monitoring.NotificationChannelEntity] is not a valid type for a serialized mapping. The attribute type must implement the Serializable interface.

Image/data in this KBA is from SAP internal systems, sample data, or demo systems. Any resemblance to real data is purely coincidental."

• SAP Customer Checkout manager
• Java Sapmachine 17

KBA , IS-SE-CCO , Customer Checkout , Problem