<diagnostics>
    <diagnostic xmlns="http://www.loc.gov/zing/srw/diagnostic/">
        <details>
            <url>http://sru2.visual-library.de/bsz?operation=searchRetrieve&amp;query=bib.personalName%3Dstetter&amp;recordSchema=mods</url>
            <headers><header name="ACCEPT" value="*/*"/><header name="ACCEPT-ENCODING" value="gzip, br, zstd, deflate"/><header name="CONNECTION" value="Keep-Alive"/><header name="COOKIE" value="session_id=a3cd74583cee242dde013845df9c0b576f4e81f8"/><header name="HOST" value="sru2.visual-library.de"/><header name="Remote-Addr" value="192.168.1.13"/><header name="USER-AGENT" value="Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)"/><header name="X-FORWARDED-FOR" value="216.73.216.81"/><header name="X-FORWARDED-HOST" value="sru2.visual-library.de"/><header name="X-FORWARDED-SERVER" value="sru2.visual-library.de"/></headers>
            <params><param name="operation" value="searchRetrieve"/><param name="query" value="bib.personalName=stetter"/><param name="recordSchema" value="mods"/></params>
            <traceback>Traceback (most recent call last):
  File "/vls/instance/server/dynamic/vlz/engine2.py", line 272, in searchRetrieve
    return self._searchRetrieve(*args, **kwargs)
  File "/vls/instance/server/dynamic/vlz/engine2.py", line 407, in _searchRetrieve
    fetchResult = protocolHandler.fetchRecords(**fetchKwars)
  File "/vls/instance/server/dynamic/vlz/fetchers.py", line 195, in fetchRecords
    numrecs, records = self._fetchRecords(startRecord=startRecord, maxRecords=maxRecords)
  File "/vls/instance/server/dynamic/vlz/fetchers.py", line 568, in _fetchRecords
    numrecs, records = self._countAndSliceRecords(records, startRecord, maxRecords)
  File "/vls/instance/server/dynamic/vlz/fetchers.py", line 297, in _countAndSliceRecords
    return len(records), records[startIndex:startIndex + maxRecords]
  File "/vls/libpy/PyZ3950/zoom.py", line 652, in __getslice__
    self._ensure_present (k)
  File "/vls/libpy/PyZ3950/zoom.py", line 622, in _ensure_present
    self._extract_recs (presentResp.records, lbound)
  File "/vls/libpy/PyZ3950/zoom.py", line 662, in _extract_recs
    self.err (recs.condition, "", recs.diagnosticSetId)
  File "/vls/libpy/PyZ3950/zoom.py", line 145, in err
    raise Bib1Err (self.errCode, self.errMsg, self.addtlInfo)
Bib1Err: Bib1Err: 238 Record not available in requested syntax 
</traceback>
            <additional><name>Bib1Err</name><provider>bsz</provider><protocol>Z39.50</protocol><mdrevision>0</mdrevision><host>z3950n.bsz-bw.de</host><port>20210</port><database>swb</database><encoding>utf-8</encoding><recordSyntax>MAB</recordSyntax><targetRecordSyntax>MODS</targetRecordSyntax><area>searchRetrieve.fetchRecords</area></additional>
            <exception><class class="Bib1Err" module="PyZ3950.zoom"/><message>Bib1Err: Bib1Err: 238 Record not available in requested syntax 
</message><args/></exception>
        </details>
        <message>An error has occured: Bib1Err - Record not available in requested syntax</message>
    </diagnostic>
</diagnostics>