I encountered this issue using Jenkins 2.150.3, Accurev plugin 0.7.20, and Ant plugin 1.9. The issue traced back in my case to RunWithSCM.super.getCulprits ...
Missing: bitbucket freestyle
... docker-image/</loc> <lastmod>2014-08-12</lastmod> ... spot-fleet/</loc> <lastmod>2016-06-10</lastmod> ... freestyle-to-pipeline/</loc> <lastmod>2016-06-29 ...