[HELP] Processes 20 minutes of video then white screen

# Imports

import vapoursynth as vs

import os

import ctypes

# Loading Support Files

Dllref = ctypes.windll.LoadLibrary("C:/Program Files/Hybrid/64bit/vsfilters/Support/libfftw3f-3.dll")

import sys

# getting Vapoursynth core

core = vs.core

# Import scripts folder

scriptPath = 'C:/Program Files/Hybrid/64bit/vsscripts'

sys.path.insert(0, os.path.abspath(scriptPath))

# Loading Plugins

core.std.LoadPlugin(path="C:/Program Files/Hybrid/64bit/vsfilters/DenoiseFilter/CTMF/CTMF.dll")

core.std.LoadPlugin(path="C:/Program Files/Hybrid/64bit/vsfilters/SharpenFilter/CAS/CAS.dll")

core.std.LoadPlugin(path="C:/Program Files/Hybrid/64bit/vsfilters/DenoiseFilter/HQDN3D/libhqdn3d.dll")

core.std.LoadPlugin(path="C:/Program Files/Hybrid/64bit/vsfilters/GrainFilter/RemoveGrain/RemoveGrainVS.dll")

core.std.LoadPlugin(path="C:/Program Files/Hybrid/64bit/vsfilters/GrainFilter/AddGrain/AddGrain.dll")

core.std.LoadPlugin(path="C:/Program Files/Hybrid/64bit/vsfilters/DenoiseFilter/NEO_FFT3DFilter/neo-fft3d.dll")

core.std.LoadPlugin(path="C:/Program Files/Hybrid/64bit/vsfilters/DenoiseFilter/DFTTest/DFTTest.dll")

core.std.LoadPlugin(path="C:/Program Files/Hybrid/64bit/vsfilters/Support/EEDI3m.dll")

core.std.LoadPlugin(path="C:/Program Files/Hybrid/64bit/vsfilters/ResizeFilter/nnedi3/vsznedi3.dll")

core.std.LoadPlugin(path="C:/Program Files/Hybrid/64bit/vsfilters/Support/libmvtools.dll")

core.std.LoadPlugin(path="C:/Program Files/Hybrid/64bit/vsfilters/Support/scenechange.dll")

core.std.LoadPlugin(path="C:/Program Files/Hybrid/64bit/vsfilters/Support/fmtconv.dll")

core.std.LoadPlugin(path="C:/Program Files/Hybrid/64bit/vsfilters/MiscFilter/MiscFilters/MiscFilters.dll")

core.std.LoadPlugin(path="C:/Program Files/Hybrid/64bit/vsfilters/SourceFilter/LSmashSource/vslsmashsource.dll")

# Import scripts

import edi_rpow2

import G41Fun

import mvsfunc

import havsfunc

# source: 'S:\LastHorrorFilm\LastHorrorFilm-MyCapture.mov'

# current color space: YUV420P8, bit depth: 8, resolution: 720x576, fps: 25, color matrix: 470bg, yuv luminance scale: limited, scanorder: bottom field first

# Loading S:\LastHorrorFilm\LastHorrorFilm-MyCapture.mov using LWLibavSource

clip = core.lsmas.LWLibavSource(source="S:/LastHorrorFilm/LastHorrorFilm-MyCapture.mov", format="YUV420P8", cache=0, fpsnum=25, prefer_hw=0)

# Setting color matrix to 470bg.

clip = core.std.SetFrameProps(clip, _Matrix=5)

clip = clip if not core.text.FrameProps(clip,'_Transfer') else core.std.SetFrameProps(clip, _Transfer=5)

clip = clip if not core.text.FrameProps(clip,'_Primaries') else core.std.SetFrameProps(clip, _Primaries=5)

# Setting color range to TV (limited) range.

clip = core.std.SetFrameProp(clip=clip, prop="_ColorRange", intval=1)

# making sure frame rate is set to 25

clip = core.std.AssumeFPS(clip=clip, fpsnum=25, fpsden=1)

# setting field order to what QTGMC should assume (bottom field first)

clip = core.std.SetFrameProp(clip=clip, prop="_FieldBased", intval=1)

# Deinterlacing using QTGMC

clip = havsfunc.QTGMC(Input=clip, Preset="Fast", TFF=False) # new fps: 50

# make sure content is preceived as frame based

clip = core.std.SetFieldBased(clip, 0)

# adjusting frame count and rate with sRestore

clip = havsfunc.srestore(source=clip, frate=25.0000, omode=6, speed=9, thresh=16, mode=2)

# cropping the video to 720x566

clip = core.std.CropRel(clip=clip, left=0, right=0, top=4, bottom=6)

# removing grain using MLDegrain

clip = G41Fun.MLDegrain(clip=clip, tr=2, soft=[0,0,0])

# denoising using HQDN3D

clip = core.hqdn3d.Hqdn3d(clip=clip, lum_spac=0.00, chrom_spac=7.00, chrom_tmp=10.00)

# contrast sharpening using CAS

clip = core.cas.CAS(clip=clip, sharpness=0.600)

# deringing using HQDeringmod

clip = havsfunc.HQDeringmod(clip, nrmode=2, darkthr=3.0)

clip = core.std.AddBorders(clip=clip, left=0, right=0, top=0, bottom=2) # add borders to archive mod 4 (NNEDI3(CL)) - 720x568

# resizing using ZNEDI3

# current: 720x568 target: 2000x1474 -> pow: 4

clip = edi_rpow2.nnedi3_rpow2(clip=clip, rfactor=4) # 2880x2272

clip = core.std.CropRel(clip=clip, left=0, right=0, top=0, bottom=8) # removing borders (NNEDI3(CL)) -  2880x2264

# adjusting resizing

clip = core.fmtc.resample(clip=clip, w=2000, h=1474, kernel="lanczos", interlaced=False, interlacedd=False)

# adjusting output color from: YUV420P16 to YUV422P10 for ProResModel

clip = core.resize.Bicubic(clip=clip, format=vs.YUV422P10, range_s="limited", dither_type="error_diffusion")

# set output frame rate to 25fps

clip = core.std.AssumeFPS(clip=clip, fpsnum=25, fpsden=1)

# Output

clip.set_output()