make_filelists: command not found

Maybe Your $PATH variable doesn't contain the default paths? echo $PATH should give something like:

[root@server ~]# echo $PATH
/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin

If it's empty, You may set the PATH variable with this command

export PATH="/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin"

On CentOS possible default full paths are:

/usr/bin/make_filelists - from package: sloccount

You may install the required package with command yum install {package}

On Debian possible default full paths are:

/usr/bin/make_filelists - from package: sloccount

You may install the required package with command apt-get install {package}

Error in other languages:
make_filelists: bevel nie gevind nie
make_filelists: comandă negăsită
make_filelists: comando não encontrado
make_filelists: commande introuvable
make_filelists: command not found
make_filelists: käsku ei ole
make_filelists: không tìm thấy lệnh
make_filelists: komanda nerasta
make_filelists: Kommando nicht gefunden.
make_filelists: kommandot finns inte
make_filelists: komut yok
make_filelists: nie znaleziono polecenia
make_filelists: níor aimsíodh an t-ordú
make_filelists: no se encontró la orden
make_filelists: no s'ha trobat l'ordre
make_filelists: opdracht niet gevonden
make_filelists: parancs nem található
make_filelists: perintah tidak ditemukan
make_filelists: príkaz nenájdený
make_filelists: příkaz nenalezen
make_filelists: команда не найдена
make_filelists: командата не е открита
make_filelists: 命令找不到
make_filelists: コマンドが見つかりません