I would suggest using the Clone/Burn option in the Copy module or better yet the free ImgBurn tool, which will burn to disc from an existing folder or image file.
signals
Yes, could have used that and not Nero as it turned out that the drive, an iHBS112 had problem with Optical Quantum 50GB.. After failing to burn two BD-50 under Nero I noticed that the discs were still "blank" I connected an external USB3 burner ASUS BW-121S-U which burned the 50gb correctly.
Not sure of the exact problem but the solution is probably a replacement or upgrade of firmware on the iHBS112
Observation (for whatever it is worth)
1-The Optical Quantum was rated at 6x
*2-The builtin burner that DVDFab uses did write on the blank disk and generated a "sync error" or something like that. I didn't make a note of the exact error name but the disk was no good as I attempted to use nero to write out the left over files and was told the disk was not empty.
3-I put in a fresh 50GB but got those Nero BDMV errors so I converted the BDMV to an ISO file to make it easy to burn.
4-With that fresh 50GB Nero defaulted to 8x which is incorrect. The lowest setting was 4x and I used that and got a power calibration error. Got the same error a second time using another blank disc.
5-Used ASUS external burner to burn the disc at 2x speed. Strange that 2x was not available on the iHBS112. I re-used one of the "failed discs"
* This was the first time I ran Nero 2017 after last weeks massive Microshit's windows 10 update. It would not run as it was missing a DLL file and needed to be re-installed. When re-installed it downloaded both 2010 and 2015 vc runtimes. While Nero did work, I fully expect other bad things to happen with those old runtimes libraries. I assume the DLLs were deleted for a good reason but then, that same update also got rid of my Windows 7 Spider Solitaire game and I had to re-install it.