Regarding the usage statistics graph: s. this GitHub Issue: getTemplatePath basePath 路 Issue #3556 路 pkp/pkp-lib 路 GitHub. Please track that issue for the coming fix, that you would then need to apply
EDIT: this change is needed: pkp/pkp-lib#3556 fix basePath in getTemplatePath() by bozana 路 Pull Request #3559 路 pkp/pkp-lib 路 GitHub
THANKS!!!
Bozana