PKP LN not working for GIAP journalsOJS3

Dear Team good morning
We noticed that after 2017 when we updated to OJS3, data not archive in PKPLN. I just saw our data is only available upto 2017.
Can you help us. Also Google scholar stopped indexing our journal content. P,ease help me.

Hi @GIAP_Journals1,

What specific version of OJS are you using? (Please include this in your posts.)

Have you installed the PKP PN plugin for OJS 3.x?

Alec Smecher
Public Knowledge Project Team