Location of the ISBN field in Open Monograph Press 3.3.0.8

I am having trouble locating the ISBN field in Open Monograph Press 3.3.0.8. Before we upgraded to this version, the ISBN field was located under the PDF section/field next to the identifiers section/field like in the below screehshots
Code Value
PDF section
.

That is no longer the case. Does anyone know where I can locate this field in Open Monograph Press 3.3.0.8, I want to retrospectively add an ISBN number to a publication.

Thanking you in advance.

Hi @Bonga,

It is available under the PDF (Edit) and then Metadata
Screenshot 2021-12-10 at 15.14.03

Screenshot 2021-12-10 at 15.15.07

Regards, Primož

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