[BUG] Encoder Crash (Helper1, exitCode: -1073741819)

[Selur]

Enabling 'Config->Input->Internals->Ignore all input timecodes' also doesn't help.
Sync issues start with 26683 when using:

# Imports
import vapoursynth as vs
# getting Vapoursynth core
core = vs.core
# Loading Plugins
core.std.LoadPlugin(path="i:/Hybrid/64bit/vsfilters/SubtitleFilter/SubText/SubText.dll")
core.std.LoadPlugin(path="i:/Hybrid/64bit/vsfilters/SourceFilter/LSmashSource/vslsmashsource.dll")
# source: 'C:\Users\Selur\Desktop\One Punch Man S01E07.mkv'
# current color space: YUV420P8, bit depth: 8, resolution: 1920x1080, fps: 23.976, color matrix: 709, yuv luminance scale: limited, scanorder: progressive
# Loading C:\Users\Selur\Desktop\One Punch Man S01E07.mkv using LWLibavSource
clip = core.lsmas.LWLibavSource(source="C:/Users/Selur/Desktop/One Punch Man S01E07.mkv", format="YUV420P8", cache=0, fpsnum=24000, fpsden=1001, threads=1, prefer_hw=0)
# Setting color matrix to 709.
clip = core.std.SetFrameProps(clip, _Matrix=1)
clip = clip if not core.text.FrameProps(clip,'_Transfer') else core.std.SetFrameProps(clip, _Transfer=1)
clip = clip if not core.text.FrameProps(clip,'_Primaries') else core.std.SetFrameProps(clip, _Primaries=1)
# Setting color range to TV (limited) range.
clip = core.std.SetFrameProp(clip=clip, prop="_ColorRange", intval=1)
# making sure frame rate is set to 23.976
clip = core.std.AssumeFPS(clip=clip, fpsnum=24000, fpsden=1001)
original = clip
# Loading E:\Output\One Punch Man S01E07_id_2_lang_en_default.ass using SubText
clip = core.sub.TextFile(clip=clip, file="E:/Output/One Punch Man S01E07_id_2_lang_en_default.ass", fontdir="I:/Hybrid/settings/fonts")
original = core.text.Text(clip=original,text="Original",scale=2)
clip = core.text.Text(clip=clip,text="Filtered",scale=2)
stacked = core.std.StackHorizontal([original,clip])
# set output frame rate to 23.976fps
stacked = core.std.AssumeFPS(clip=stacked, fpsnum=24000, fpsden=1001)
# Output
stacked.set_output()