OAI-PMH Repository Self Check
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[OK] records.csv found
[OK] CSV headers complete
[WARN] Optional field missing: format
[WARN] Optional field missing: source
[WARN] Optional field missing: setSpec
[FAIL] Line 6: duplicate identifier https://times.net.au/cn_epochal/books/Australian_Zhao_Style_Xingyi_TaiChi/Australian_Zhao_Style_Xingyi_TaiChi.pdf