With adding the crash into paste.ee, click on Submit and add the given link here
Delete the complete repurposed_structures-forge folder in your config folder
Delete the repurposed_structures-forge/cities.toml in your config folder
If this is not working, add the new crash-report
Add crash-reports with sites like
https://paste.ee/
The log does not point to a mod - start removing mods in groups
Maybe one mod already contains a part of another mod
For example, start with removing all thermal mods
Progress with the structure mods, the mcw mods etc
In your config folder, check for a nochatreports config file - delete it and restart the modpack
If there is no change, go to the mods folder and remove the nochatreports jar file