Hi Keith,
I think I know what went wrong here, I’ve updated the code in v134 that should prevent the issue you experienced from occurring again:
DietPi-LetsEncrypt | Resolved an issue where an empty string value in Input_Box function could cause a incorrect value being set in Apache2 confs. Many thanks to Keith for reporting this issue: > DietPi Community Forum - Welcome to the DietPi OS Community Forum
Thanks for reporting this issue!