This figure shows the preferences dialog. It contains a list of items on the left. The Oracle CEP Problems Severity item is selected. On the right, the Oracle CEP Problems Severities panel is shown. It contains a Configure Project Specific Settings link and categories: Event Processing Network, Event Type Repository, and Query Validation. The Event Processing Network area contains the following items: Configuration objects without a matching assembly definition and a pull-down menu of severities; Unresolved event listeners or resolved listeners with incorrect interface declarations and a pull-down menu of severities; Unresolved event sources or resolved sources with incorrect interface declarations and a pull-down menu of severities; and Deprecated EPN elements and a pull-down menu of severities. The Event Type Repository area includes the following items: Event property type values that are not predefined types or do not resolve to a known class and a pull-down menu of severities. The Query Validation area includes the following items: Problems found validating CQL Statements, Problems preventing the validation of CQL statements, and a pull-down menu of severities. Below these two categories are buttons Restore Defaults and Apply.