The periodic-projects-scanner plugin has custom forks of several jelly widgets that may break with the tables-to-divs changes:

• entry.jelly https://github.com/jenkinsci/periodic-jobs-balancer-plugin/blob/master/src/main/resources/util/entry.jelly
• dropdownList https://github.com/jenkinsci/periodic-jobs-balancer-plugin/blob/master/src/main/resources/util/dropdownList.jelly

It needs to be reviewed and/or fixed