[Batsugun] horizontal line in middle of screen when upscaled

[lonelycare]

What's the full name of the game (including region) ?
Batsugun (Japan)

What's your frontend ? (standalone, libretro, ...) ?
libretro core Kronos (v2.6.1 3646a3f)

What's your OS ? (windows, linux, OSX, ...) ?
Win10

What's your hardware ? (CPU, GPU, ...) ?
Intel 7700HQ, Nvidia 1060 6G

What's the storage type of the game (official cd, burned cd or cd image) ?
cd image

If applicable, what's the format of your cd image ? (cue/bin, ccd/img, iso, chd, ...)
cue/bin

Are you using any setting different from default ? If so, precise
upscaled to 720p
original resolution works fine

Did this game work previously ? Do you remember when ? Is it happening with other games ?
so far just this game

If applicable, provide error messages, logs, screenshots, or whatever additional information that could help debugging this

[BenjaminSiskoo]

Same with the stand alone, 720p problem.