bcron-start: 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 Debian possible default full paths are:

/usr/sbin/bcron-start - from package: bcron

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

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