reporter-kerneloops: 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/reporter-kerneloops - from package: libreport-plugin-kerneloops

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

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