plugreport: 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/plugreport - from package: libiec61883-utils

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

On Debian possible default full paths are:

/usr/bin/plugreport - from package: libiec61883-dev

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

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