Saturday’s canceled wedding of Usher and Tameka Foster â€" who is due to have the couple’s baby this fall â€" was the result of the past few bumpy days for the couple.

At issue were family matters and the event itself.

“Usher’s mother [and former manager, Jonetta Patton, whom he fired in May] is against the wedding. That is one of the main obstacles,” according to the source, who also said of the bride, 37, and groom, 28: “They only ...