<?xml version="1.0" encoding="UTF-8"?>
<searchRetrieveResponse xmlns="http://www.loc.gov/zing/srw/"><version>1.1</version><diagnostics><diag:diagnostic xmlns:diag="http://www.loc.gov/zing/srw/diagnostic/"><diag:uri>info:srw/diagnostic/1/1</diag:uri><diag:details>General System Error</diag:details><diag:message>Unkown catalog ...</diag:message></diag:diagnostic></diagnostics></searchRetrieveResponse>