[Solved] No matching records in this repository

Hello!
I’m working at https://revista.unsis.edu.mx/index.php/saludyadmon/
I am using OJS 3.1.1.0
and OAI-PMH 2.0

I have published 14 issues but the articles are not shown in the oai repository
https://revista.unsis.edu.mx/index.php/saludyadmon/oai?verb=ListRecords&metadataPrefix=oai_dc

The error that marks me is Error Code: noRecordsMatch - No matching records in this repository

But in the oai repository I can see the ListSets https://revista.unsis.edu.mx/index.php/saludyadmon/oai?verb=ListSets, here are the sections that I have published in the issues but have no records.

I don’t know why this error appears but I have solved it by upgrading OJS 3.1.1.0 to OJS version 3.1.1-2.

Hi, I have the same problem no records appear:

<?xml version="1.0" encoding="UTF-8"?> <?xml-stylesheet type="text/xsl" href="https://revistas.uasb.edu.ec/lib/pkp/xml/oai2.xsl" ?>


2020-02-03T06:34:24Z
https://revistas.uasb.edu.ec/index.php/foro/oai
No matching records in this repository

Harvesting

SUCCESS: Deleting strategy is “persistent”

UNVERIFIED: ListRecords batch size could not be checked: Only one batch.

UNVERIFIED: Resumption requests could not be checked: No resumptionToken found

UNVERIFIED: Incremental harvesting (day granularity) of ListRecords could not be checked: No records.

UNVERIFIED: Incremental harvesting (full granularity) of ListRecords could not be checked: No records.

UNVERIFIED: dc:language conformance to ISO 639 could not be checked: no records.

UNVERIFIED: dc:date ISO 8601 conformance could not be checked: No records.

UNVERIFIED: Minimal DC elements could not be checked: No records.

I have a problem with the OAI protocol, records are not displayed, with the following specifications:
OJS: version 3.1.2.4
S.O .: Centos 7
BDD: MariaDB version 5.5.64
PHP: php 7.3