Throwing null pointer exception when we click login with the following settings.

Jenkins Version: 2.195 (Tried different Jenkins Versions, same issue)
jobConfigHistory: 2.23.1

Looks like this change [1] is causing the issue.

[1] https://github.com/jenkinsci/jobConfigHistory-plugin/compare/jobConfigHistory-2.23...jobConfigHistory-2.23.1?expand=1

For more details: https://gist.github.com/nrayapati/ab1d246e1ae8491163a7a545f7f05ad6