Error Generating Accounts

[realkdc]

Here's the code i receive after trying to generate.

\e[1;97m[\e[1;91m!\e[1;97m]\e[1;91m Generating :\e[1;97m\e[0;97m
./mailmultiply.sh: line 50: shuf: command not found
./mailmultiply.sh: line 57: shuf: command not found
./mailmultiply.sh: line 60: shuf: command not found