This just started recently. Up until then the whole site was indexed.
I have upgraded to latest version but the behavior stayed the same.
Links depth:
Current page:
Pages added to sitemap:
Pages scanned: (0.0 KB)
Pages left: (+ queued for the next depth level)
Time passed: 0:00:00
Time left: 0:00:00
Memory usage:
Completed
Total pages indexed: 2
Creating sitemaps... Creating HTML sitemap...