Sourcecode Links in Extended Code Guide (API Guide) are broken

For example on this page: https://www.openfoam.com/documentation/guides/latest/api/classFoam_1_1functionObjects_1_1filmFlux.html#details

In the "detailed description" section, in the Source Files box, there are two links given to this repo:

This is actually where it links (and 404s) https://develop.openfoam.com/Development/OpenFOAM-plus/blob/OpenFOAM-v2112/src/regionModels/surfaceFilmModels/functionObjects/filmFlux/filmFlux.H

This is happening for all links to the Repo that I have tried.