ucimf_start: command not found

Have You tried accessing the binary with the full path?

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/bin/ucimf_start - from package: ucimf

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