Crash on Iphone 5C version 10.3.3

[KanhaiyaCMDL]

public func renderer(_ renderer: SCNSceneRenderer, updateAtTime time: TimeInterval) { //logger.logDebug("updateAtTime (time)") if isResized { prepareForResize() isResized = false } else { DispatchQueue.main.asyncAfter(deadline: .now() + 5.0) { self.effect.update(at: time) // Crash will be happen in this line } } }