Not sure what this means... I've got all the dependencies, playing on mc 1.16.5 latest forge and PI versions. Basically won't load any documentation and when I press reload I get this message on the bottom right

What is the problem?

It looks like the project intelligence documentation has been installed. Do you have Draconic Evolution installed? Rite now DE is the only other mod that has at least partially updated documentation for 1.16.