Now that the cause of a fire in the walls of Southern Craft BBQ’s Watauga Lake location was discovered, restaurant operators say the business will resume normal operation.The fire, which began early Monday afternoon, burned inside of an exterior wall before being extinguished by fire crews.Restaurant operator Rafael Zabala told news outlets that the incident was caused by a faulty wire that ran to exterior lights. After the cause was discovered, Zabala said the wire was removed by an electrician.