This illustration displays the Error Distribution bar chart. The chart title is highlighted, five field filters are available, and the first four are check boxes: * All (This check box is selected.) * Request Policies * Response Policies * Service The last filter is the Policy Filter list, it's selected, and it shows a value of “Show Policy Instances”. This horizontal bar chart displays the error distribution grouped and classified by policy instances. It plots the number of errors in the horizontal axis and the error code in the vertical axis. This chart has no data.