Error budspencer theme for fish shell . Cant use terminal [closed]

I'm trying to install the Budspencer theme in my fish shell. But when doing, so I keep getting the following error

This is theme for fish, a theme for nerds.Type in order to see how you can speed up your workflow.fish: Unknown command: svn~/.local/share/omf/themes/budspencer/functions/fish_right_prompt.fish (line 1): svn info --show-item wc-root 2> /dev/null^~^in command substitution    called on line 179 of file ~/.local/share/omf/themes/budspencer/functions/fish_right_prompt.fishin function '__budspencer_prompt_repo_symbols'    called on line 1 of file ~/.local/share/omf/themes/budspencer/functions/fish_right_prompt.fishin command substitution    called on line 315 of file ~/.local/share/omf/themes/budspencer/functions/fish_right_prompt.fishin function 'fish_right_prompt'in command substitution~/.local/share/omf/themes/budspencer/functions/fish_right_prompt.fish (line 179): Unknown command  set -l svn_root (svn info --show-item wc-root 2> /dev/null)                  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^in function '__budspencer_prompt_repo_symbols'    called on line 1 of file ~/.local/share/omf/themes/budspencer/functions/fish_right_prompt.fishin command substitution    called on line 315 of file ~/.local/share/omf/themes/budspencer/functions/fish_right_prompt.fishin function 'fish_right_prompt'in command substitution

Somebody help meI dont know what to do