<?xml version="1.0" encoding="UTF-8" standalone="yes"?> <OAI-PMH xmlns="http://www.openarchives.org/OAI/2.0/" xmlns:ns2="http://purl.org/dc/elements/1.1/" xmlns:ns3="http://www.openarchives.org/OAI/2.0/oai_dc/"> <responseDate>2015-10-29T11:22:46Z</responseDate> <request verb="ListIdentifiers" metadataPrefix="oai_dc" from="2017" >www.textgridrep.de</request> <error code="noRecordsMatch"> The combination of the values 2017 and null results in an empty list </error> </OAI-PMH>