Yeah happen to me too, I have 7th week flowering Island sweet skunk, and I just found out yesterday that the light was on for 24 hours for the past 2 weeks; the timer broke somehow. It started growing new leaves already. I fixed the light schedule and hopefully it will be okay.
One thing tho, you may need to extend the flowering period for a few more weeks depending on how many weeks has the light schedule been screwed; mine has been irregular for 2 weeks, so I may have to add another 2 weeks on top of the 10 weeks flowering period... May or may not be true, it is just my common sense, somebody please correct me if I'm wrong...
good luck