[Help-gnu-radius] Radius Terminated on signal 6

[List User]

Suddenly radius start to report:
Oct 22 13:18:36 Auth.notice: (AUTHREQ local 146 mama): Login OK [mama], CLID 
unknown
Oct 22 13:18:37 Main.notice: child 3704 terminated on signal 6

Command entered:
address@hidden ~]#radauth mama pass
PASS
address@hidden ~]#radauth mama pass
FAIL

address@hidden ~]#cat /usr/local/etc/raddb/users
DEFAULT Auth-Type = Local, Password-Location = SQL,
        Simultaneous-Use = 1
        Service-Type = Framed-User,
        Exec-Program-Wait="/usr/local/etc/raddb/CustomAuth %u"