🇬🇧United Kingdom Ben25
If uninstalling the module is not possible. Simply go to `admin/config/user-interface/back_to_top` input speed (or not) and hit save.
The error shows it was looking for the speed...
🇬🇧United Kingdom Ben25
thank you @quannguyen190592 and @Stockticker
🇬🇧United Kingdom Ben25
🇬🇧United Kingdom Ben25