[xwiki-notifications] [jira@xwiki.org][Issue] (CONFLUENCE-156) User reference related NPEs in some cases

Attachments:

• attachment.html (text/html — 12.2 KB)
• attachment.png (image/png — 1.1 KB)
• attachment.png (image/png — 746 bytes)
• attachment.png (image/png — 341 bytes)