org.apache.velocity.exception.MethodInvocationException: Invocation of method 'linkToTemplateSourceById' in class bs.dpersis.component.CompOperator threw exception org.springframework.dao.InvalidDataAccessResourceUsageException: could not execute query; nested exception is org.hibernate.exception.SQLGrammarException: could not execute query at mystring[line 28, column 21] org.springframework.dao.InvalidDataAccessResourceUsageException: could not execute query; nested exception is org.hibernate.exception.SQLGrammarException: could not execute query