gbrowse_syn_load_alignments_msa: 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/gbrowse_syn_load_alignments_msa - from package: gbrowse

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