It might have something to do with spending more time with BCC. Here is a story from antimusic.com:
On Wednesday New Black Country Communion Album May Be Their Last was a top story. Here is the recap: (hennemusic) As Black Country Communion gear up for the October 30 release of their third album, "Afterglow," bassist Glenn Hughes dropped a bombshell about the group's future during an interview last week with ABC News Radio.
"This may be the [band's] last album," said Hughes. "I hate to break it to you, but it just may be, because I need to be in a band that tours on a regular basis."