Panic Runtime Error Invalid Memory Address

[MichaelRPowell]

2017/11/11 14:04:52 INFO: Starting: neodemo.zip
2017/11/11 14:04:52 INFO: neodemo.zip, hash not found
2017/11/11 14:04:52 INFO: Starting: neodrift.zip
2017/11/11 14:04:53 INFO: Starting: neogalag.zip
2017/11/11 14:04:54 INFO: neogalag.zip, hash not found
2017/11/11 14:04:54 INFO: Starting: neogalaga.zip
2017/11/11 14:04:55 INFO: neogalaga.zip, hash not found
2017/11/11 14:04:55 INFO: Starting: neogeo.zip
2017/11/11 14:04:56 INFO: Starting: neomrdo.zip
2017/11/11 14:04:56 INFO: Starting: neonopon.zip
2017/11/11 14:04:57 INFO: neonopon.zip, hash not found
2017/11/11 14:04:57 INFO: Starting: neopong.zip
panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x18 pc=0x29616c]

goroutine 50 [running]:
github.com/sselph/scraper/rom.getImage(0x483658, 0x107de0c0, 0x0, 0x0, 0x1196b640, 0x12, 0x190, 0x0, 0x0, 0x0)
        /home/pi/RetroPie-Setup/tmp/build/scraper/src/github.com/sselph/scraper/rom/rom.go:366 +0xb0
github.com/sselph/scraper/rom.(*ROM).XML(0x11a6ca00, 0x483658, 0x107de0c0, 0x107940a0, 0x2, 0x2, 0x107b9ce0)
        /home/pi/RetroPie-Setup/tmp/build/scraper/src/github.com/sselph/scraper/rom/rom.go:450 +0x9d0
main.worker(0x483658, 0x107de0c0, 0x107b99c0, 0x2, 0x2, 0x107940a0, 0x107b9ce0, 0x10cf4e80, 0x10cf4ec0, 0x107b99e0)
        /home/pi/RetroPie-Setup/tmp/build/scraper/src/github.com/sselph/scraper/scraper.go:140 +0x37c
created by main.crawlROMs
        /home/pi/RetroPie-Setup/tmp/build/scraper/src/github.com/sselph/scraper/scraper.go:223 +0x4d0

Was scanning the FB Alpha v0.2.97.42 set. Used the command:

/opt/retropie/supplementary/scraper/scraper -img_format=png -add_not_found=true -image_suffix= -mame