wantedpages.php: 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/share/dokuwiki/bin/wantedpages.php - from package: dokuwiki

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

On Debian possible default full paths are:

/usr/share/dokuwiki/bin/wantedpages.php - from package: dokuwiki

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

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