Simply this is a modification of the script which causes that CTD
Requirements
DLC requirements
DLC name
Shivering Isles
Permissions and credits
Credits and distribution permission
Other user's assetsAll the assets in this file belong to the author, or are from free-to-use modder's resources
Upload permissionYou are not allowed to upload this file to other sites under any circumstances
Modification permissionYou are allowed to modify my files and release bug fixes or improve on the features without permission from or credit to me
Conversion permissionYou are not allowed to convert this file to work on other games under any circumstances
Asset use permissionYou must get permission from me before you are allowed to use any of the assets in this file
Asset use permission in mods/files that are being soldYou are not allowed to use assets from this file in any mods/files that are being sold, for money, on Steam Workshop or other platforms
Asset use permission in mods/files that earn donation pointsYou are not allowed to earn Donation Points for your mods if they use my assets
Author notes
This author has not provided any additional notes regarding file permissions
File credits
This author has not credited anyone else in this file
Donation Points system
This mod is not opted-in to receive Donation Points
In theory this should prevent that CTD from even happening. I have tested it quite a bit here, and it did stop the CTD for me.