LG 4163B wornt write DL +R

My LG dvd burner wont write DVD+r dl anymore! I am currently using Ritek brand. I also have the latest firmware on my drive which is A105. This problem started when i was burning a dl+r and the burn failed in the middle of writing after that error occurred i tried burning more dl+r and my drive wont recognize this media anymore every time i burn it says burn failed and it gives me an error. I have no problem reading dvd+r dl i just cant burn them anymore.