The query result for the number of citations of the article is 0

[JackieHeCc]

I added the Scopus/Crossref Citations Plugin in the OJS Plug-in Center and filled in the corresponding values ​​in the prompted fields. However, when I configured my journal, it did not seem to take effect. My judgment is based on my An article in the journal is included in Europe PMC and can be searched through the article title. However, by clicking the Europe PMC icon of the plug-in, in the newly opened web page, the search field is (REF:10.54844/prm.2022.0098), I want to This is the DOI of this article, but no search results were found. The prompt returned: There are no citations matching your query. I want to know what went wrong. Can you tell me, thank you very much.

[RBoelter]

The problem is that EuropePMC changed their API and I didn't have time to fix this for 3.3.x. I have completely rebuilt this plugin for OJS 3.4.x and fixed this bug. Maybe I will be able to fix this for 3.3x soon.