clog_print: 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/lib64/mvapich/bin/clog_print - from package: mvapich
/usr/lib/mvapich/bin/clog_print - from package: mvapich

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

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