downgrade from 1.6.3.5.3 to 1.5.9.7 not patching properly

[brandon3095]

Describe the bug
A clear and concise description of what the bug is.
full patcher dosnt seem to work ill be the first to admit i am no expert at all but ive pasted the error code as is bellow i also tried the best of both worlds but it comes up with the exact same errror
To Reproduce
Steps to reproduce the behavior:

1. Go to '...'full patcher
2. Click on '....'start patching
3. Scroll down to '....'on the screen
4. See error
   System.Exception: Can't patch file, it doesn't match the expected format
   at Patcher.ViewModels.MainWindowViewModel.PatchFile(Instruction file, AbsolutePath gamePath) in C:\oss\ussedp\Patcher\ViewModels\MainWindowViewModel.cs:line 136
   at Patcher.ViewModels.MainWindowViewModel.Start() in C:\oss\ussedp\Patcher\ViewModels\MainWindowViewModel.cs:line 110
   Error! Can't patch file, it doesn't match the expected format
   Patching Data\Skyrim - Patch.bsa
   File patched
   File verified, writing file
   Verifying file
   Reading Patch File 89ae98da612ab8c8_1595e8bf1a7c957d
   Pre-check passed, patching file
   Patching binkw64.dll
   Deleting Data\ccQDRSSE001-SurvivalMode.esl
   Deleting Data\ccQDRSSE001-SurvivalMode.bsa
   Deleting Data\ccBGSSSE037-Curios.esl
   Deleting Data\ccBGSSSE037-Curios.bsa
   Deleting Data\ccBGSSSE025-AdvDSGS.esm
   Deleting Data\ccBGSSSE025-AdvDSGS.bsa
   Deleting Data\ccBGSSSE001-Fish.esm
   Deleting Data\ccBGSSSE001-Fish.bsa
   File already deleted bink2w64.dll
   Loaded instructions FullPatcher_1.6.640.0_1.5.97.0_2022-09-20
   Running instructions
   Header matches, loading offsets
   Checking for magic header in C:\Users\user\Downloads\FullPatcher_1.6.640.0-1.5.97.0.exe-57618-2022-09-20-1663704722.exe
   Found at C:\Program Files (x86)\Steam\steamapps\common\Skyrim Special Edition
   Looking for Skyrim Special Edition
   Expected behavior
   A clear and concise description of what you expected to happen.
   just instructions on how to fix
   Screenshots
   If applicable, add screenshots to help explain your problem.

Desktop (please complete the following information):

• OS: Windows 10
• Game Version you started from (e.g. 1.6.342)
• Game Version you downgraded 1.5.97 unsucsessful
• Mod Manager vortex

Additional context
Add any other context about the problem here.