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In the Metadb reporting database, the folio_source_record.marc__t table should have a unique srs_id associated with each instance ID. However, in early November 2025, the Reporting Team noticed that, for some records (which now varies daily from zero to thousands), there were multiple srs_ids associated with each instance_HRID. The multiples were older versions of the marc record, which normally would not appear in that table. The marc__t table should include only records where the state of the record is 'ACTUAL,' but it is including records where the state field is 'OLD.' So in queries that use the marc__t table, we are getting duplicate counts of the same record in those cases where the marc record has been updated and the old versions not purged. This issue came up before with LDP software, and it was addressedfixed. There is code to address this issue for the Metadb software, but it is not clear that the code is working correctly in Metadb. The Reporting Team is working with Index Data to address this problem. 

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